1978045160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:860

約数の個数: 256

約数和(自身を含む): 5929459200

約数和(自身を除く): 3951414040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 37, 38, 40, 52, 56, 65, 70, 74, 76, 91, 95, 104, 130, 133, 140, 148, 152, 182, 185, 190, 247, 259, 260, 266, 280, 296, 364, 370, 380, 455, 481, 494, 518, 520, 532, 665, 703, 728, 740, 760, 773, 910, 962, 988, 1036, 1064, 1235, 1295, 1330, 1406, 1480, 1546, 1729, 1820, 1924, 1976, 2072, 2405, 2470, 2590, 2660, 2812, 3092, 3367, 3458, 3515, 3640, 3848, 3865, 4810, 4921, 4940, 5180, 5320, 5411, 5624, 6184, 6734, 6916, 7030, 7730, 8645, 9139, 9620, 9842, 9880, 10049, 10360, 10822, 13468, 13832, 14060, 14687, 15460, 16835, 17290, 18278, 19240, 19684, 20098, 21644, 24605, 26936, 27055, 28120, 28601, 29374, 30920, 33670, 34580, 36556, 39368, 40196, 43288, 45695, 49210, 50245, 54110, 57202, 58748, 63973, 67340, 69160, 70343, 73112, 73435, 80392, 91390, 98420, 100490, 102809, 108220, 114404, 117496, 127946, 134680, 140686, 143005, 146870, 182780, 190931, 196840, 200207, 200980, 205618, 216440, 228808, 255892, 281372, 286010, 293740, 319865, 351715, 365560, 371813, 381862, 400414, 401960, 411236, 511784, 514045, 543419, 562744, 572020, 587480, 639730, 703430, 743626, 763724, 800828, 822472, 954655, 1001035, 1028090, 1086838, 1144040, 1279460, 1336517, 1406860, 1487252, 1527448, 1601656, 1859065, 1909310, 2002070, 2056180, 2173676, 2558920, 2602691, 2673034, 2717095, 2813720, 2974504, 3718130, 3803933, 3818620, 4004140, 4112360, 4347352, 5205382, 5346068, 5434190, 6682585, 7064447, 7436260, 7607866, 7637240, 8008280, 10410764, 10692136, 10868380, 13013455, 13365170, 14128894, 14872520, 15215732, 19019665, 20821528, 21736760, 26026910, 26730340, 28257788, 30431464, 35322235, 38039330, 49451129, 52053820, 53460680, 56515576, 70644470, 76078660, 98902258, 104107640, 141288940, 152157320, 197804516, 247255645, 282577880, 395609032, 494511290, 989022580, 1978045160]

約数ペア:

[(1, 1978045160), (2, 989022580), (4, 494511290), (5, 395609032), (7, 282577880), (8, 247255645), (10, 197804516), (13, 152157320), (14, 141288940), (19, 104107640), (20, 98902258), (26, 76078660), (28, 70644470), (35, 56515576), (37, 53460680), (38, 52053820), (40, 49451129), (52, 38039330), (56, 35322235), (65, 30431464), (70, 28257788), (74, 26730340), (76, 26026910), (91, 21736760), (95, 20821528), (104, 19019665), (130, 15215732), (133, 14872520), (140, 14128894), (148, 13365170), (152, 13013455), (182, 10868380), (185, 10692136), (190, 10410764), (247, 8008280), (259, 7637240), (260, 7607866), (266, 7436260), (280, 7064447), (296, 6682585), (364, 5434190), (370, 5346068), (380, 5205382), (455, 4347352), (481, 4112360), (494, 4004140), (518, 3818620), (520, 3803933), (532, 3718130), (665, 2974504), (703, 2813720), (728, 2717095), (740, 2673034), (760, 2602691), (773, 2558920), (910, 2173676), (962, 2056180), (988, 2002070), (1036, 1909310), (1064, 1859065), (1235, 1601656), (1295, 1527448), (1330, 1487252), (1406, 1406860), (1480, 1336517), (1546, 1279460), (1729, 1144040), (1820, 1086838), (1924, 1028090), (1976, 1001035), (2072, 954655), (2405, 822472), (2470, 800828), (2590, 763724), (2660, 743626), (2812, 703430), (3092, 639730), (3367, 587480), (3458, 572020), (3515, 562744), (3640, 543419), (3848, 514045), (3865, 511784), (4810, 411236), (4921, 401960), (4940, 400414), (5180, 381862), (5320, 371813), (5411, 365560), (5624, 351715), (6184, 319865), (6734, 293740), (6916, 286010), (7030, 281372), (7730, 255892), (8645, 228808), (9139, 216440), (9620, 205618), (9842, 200980), (9880, 200207), (10049, 196840), (10360, 190931), (10822, 182780), (13468, 146870), (13832, 143005), (14060, 140686), (14687, 134680), (15460, 127946), (16835, 117496), (17290, 114404), (18278, 108220), (19240, 102809), (19684, 100490), (20098, 98420), (21644, 91390), (24605, 80392), (26936, 73435), (27055, 73112), (28120, 70343), (28601, 69160), (29374, 67340), (30920, 63973), (33670, 58748), (34580, 57202), (36556, 54110), (39368, 50245), (40196, 49210), (43288, 45695)]