21280912240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1031}}^1$

素因数の和:1152

約数の個数: 320

約数和(自身を含む): 61916037120

約数和(自身を除く): 40635124880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 35, 40, 41, 56, 58, 62, 70, 80, 82, 112, 116, 124, 140, 145, 155, 164, 203, 205, 217, 232, 248, 280, 287, 290, 310, 328, 406, 410, 434, 464, 496, 560, 574, 580, 620, 656, 812, 820, 868, 899, 1015, 1031, 1085, 1148, 1160, 1189, 1240, 1271, 1435, 1624, 1640, 1736, 1798, 2030, 2062, 2170, 2296, 2320, 2378, 2480, 2542, 2870, 3248, 3280, 3472, 3596, 4060, 4124, 4340, 4495, 4592, 4756, 5084, 5155, 5740, 5945, 6293, 6355, 7192, 7217, 8120, 8248, 8323, 8680, 8897, 8990, 9512, 10168, 10310, 11480, 11890, 12586, 12710, 14384, 14434, 16240, 16496, 16646, 17360, 17794, 17980, 19024, 20336, 20620, 22960, 23780, 25172, 25420, 28868, 29899, 31465, 31961, 33292, 35588, 35960, 36085, 36859, 41240, 41615, 42271, 44485, 47560, 50344, 50840, 57736, 59798, 62930, 63922, 66584, 71176, 71920, 72170, 73718, 82480, 83230, 84542, 88970, 95120, 100688, 101680, 115472, 119596, 125860, 127844, 133168, 142352, 144340, 147436, 149495, 159805, 166460, 169084, 177940, 184295, 209293, 211355, 223727, 239192, 251720, 255688, 258013, 288680, 294872, 295897, 298990, 319610, 332920, 338168, 355880, 368590, 418586, 422710, 447454, 478384, 503440, 511376, 516026, 577360, 589744, 591794, 597980, 639220, 665840, 676336, 711760, 737180, 837172, 845420, 894908, 926869, 1032052, 1046465, 1118635, 1183588, 1195960, 1225859, 1278440, 1290065, 1310401, 1474360, 1479485, 1674344, 1690840, 1789816, 1853738, 2064104, 2092930, 2237270, 2367176, 2391920, 2451718, 2556880, 2580130, 2620802, 2948720, 2958970, 3348688, 3381680, 3579632, 3707476, 4128208, 4185860, 4474540, 4634345, 4734352, 4903436, 5160260, 5241604, 5917940, 6129295, 6488083, 6552005, 7414952, 8371720, 8581013, 8949080, 9172807, 9268690, 9806872, 10320520, 10483208, 11835880, 12258590, 12976166, 13104010, 14829904, 16743440, 17162026, 17898160, 18345614, 18537380, 19613744, 20641040, 20966416, 23671760, 24517180, 25952332, 26208020, 32440415, 34324052, 36691228, 37074760, 38001629, 42905065, 45864035, 49034360, 51904664, 52416040, 64880830, 68648104, 73382456, 74149520, 76003258, 85810130, 91728070, 98068720, 103809328, 104832080, 129761660, 137296208, 146764912, 152006516, 171620260, 183456140, 190008145, 259523320, 266011403, 304013032, 343240520, 366912280, 380016290, 519046640, 532022806, 608026064, 686481040, 733824560, 760032580, 1064045612, 1330057015, 1520065160, 2128091224, 2660114030, 3040130320, 4256182448, 5320228060, 10640456120, 21280912240]

約数ペア:

[(1, 21280912240), (2, 10640456120), (4, 5320228060), (5, 4256182448), (7, 3040130320), (8, 2660114030), (10, 2128091224), (14, 1520065160), (16, 1330057015), (20, 1064045612), (28, 760032580), (29, 733824560), (31, 686481040), (35, 608026064), (40, 532022806), (41, 519046640), (56, 380016290), (58, 366912280), (62, 343240520), (70, 304013032), (80, 266011403), (82, 259523320), (112, 190008145), (116, 183456140), (124, 171620260), (140, 152006516), (145, 146764912), (155, 137296208), (164, 129761660), (203, 104832080), (205, 103809328), (217, 98068720), (232, 91728070), (248, 85810130), (280, 76003258), (287, 74149520), (290, 73382456), (310, 68648104), (328, 64880830), (406, 52416040), (410, 51904664), (434, 49034360), (464, 45864035), (496, 42905065), (560, 38001629), (574, 37074760), (580, 36691228), (620, 34324052), (656, 32440415), (812, 26208020), (820, 25952332), (868, 24517180), (899, 23671760), (1015, 20966416), (1031, 20641040), (1085, 19613744), (1148, 18537380), (1160, 18345614), (1189, 17898160), (1240, 17162026), (1271, 16743440), (1435, 14829904), (1624, 13104010), (1640, 12976166), (1736, 12258590), (1798, 11835880), (2030, 10483208), (2062, 10320520), (2170, 9806872), (2296, 9268690), (2320, 9172807), (2378, 8949080), (2480, 8581013), (2542, 8371720), (2870, 7414952), (3248, 6552005), (3280, 6488083), (3472, 6129295), (3596, 5917940), (4060, 5241604), (4124, 5160260), (4340, 4903436), (4495, 4734352), (4592, 4634345), (4756, 4474540), (5084, 4185860), (5155, 4128208), (5740, 3707476), (5945, 3579632), (6293, 3381680), (6355, 3348688), (7192, 2958970), (7217, 2948720), (8120, 2620802), (8248, 2580130), (8323, 2556880), (8680, 2451718), (8897, 2391920), (8990, 2367176), (9512, 2237270), (10168, 2092930), (10310, 2064104), (11480, 1853738), (11890, 1789816), (12586, 1690840), (12710, 1674344), (14384, 1479485), (14434, 1474360), (16240, 1310401), (16496, 1290065), (16646, 1278440), (17360, 1225859), (17794, 1195960), (17980, 1183588), (19024, 1118635), (20336, 1046465), (20620, 1032052), (22960, 926869), (23780, 894908), (25172, 845420), (25420, 837172), (28868, 737180), (29899, 711760), (31465, 676336), (31961, 665840), (33292, 639220), (35588, 597980), (35960, 591794), (36085, 589744), (36859, 577360), (41240, 516026), (41615, 511376), (42271, 503440), (44485, 478384), (47560, 447454), (50344, 422710), (50840, 418586), (57736, 368590), (59798, 355880), (62930, 338168), (63922, 332920), (66584, 319610), (71176, 298990), (71920, 295897), (72170, 294872), (73718, 288680), (82480, 258013), (83230, 255688), (84542, 251720), (88970, 239192), (95120, 223727), (100688, 211355), (101680, 209293), (115472, 184295), (119596, 177940), (125860, 169084), (127844, 166460), (133168, 159805), (142352, 149495), (144340, 147436)]