20039304320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1527

約数の個数: 256

約数和(自身を含む): 56836684800

約数和(自身を除く): 36797380480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 79, 80, 82, 112, 128, 140, 158, 160, 164, 205, 224, 280, 287, 316, 320, 328, 395, 410, 448, 553, 560, 574, 632, 640, 656, 790, 820, 896, 1106, 1120, 1148, 1264, 1312, 1381, 1435, 1580, 1640, 2212, 2240, 2296, 2528, 2624, 2762, 2765, 2870, 3160, 3239, 3280, 4424, 4480, 4592, 5056, 5248, 5524, 5530, 5740, 6320, 6478, 6560, 6905, 8848, 9184, 9667, 10112, 11048, 11060, 11480, 12640, 12956, 13120, 13810, 16195, 17696, 18368, 19334, 22096, 22120, 22673, 22960, 25280, 25912, 26240, 27620, 32390, 35392, 36736, 38668, 44192, 44240, 45346, 45920, 48335, 50560, 51824, 55240, 56621, 64780, 70784, 77336, 88384, 88480, 90692, 91840, 96670, 103648, 109099, 110480, 113242, 113365, 129560, 154672, 176768, 176960, 181384, 183680, 193340, 207296, 218198, 220960, 226484, 226730, 259120, 283105, 309344, 353920, 362768, 386680, 396347, 414592, 436396, 441920, 452968, 453460, 518240, 545495, 566210, 618688, 725536, 763693, 773360, 792694, 872792, 883840, 905936, 906920, 1036480, 1090990, 1132420, 1237376, 1451072, 1527386, 1546720, 1585388, 1745584, 1811872, 1813840, 1981735, 2072960, 2181980, 2264840, 2902144, 3054772, 3093440, 3170776, 3491168, 3623744, 3627680, 3818465, 3963470, 4363960, 4473059, 4529680, 6109544, 6186880, 6341552, 6982336, 7247488, 7255360, 7636930, 7926940, 8727920, 8946118, 9059360, 12219088, 12683104, 13964672, 14510720, 15273860, 15853880, 17455840, 17892236, 18118720, 22365295, 24438176, 25366208, 30547720, 31311413, 31707760, 34911680, 35784472, 36237440, 44730590, 48876352, 50732416, 61095440, 62622826, 63415520, 69823360, 71568944, 89461180, 97752704, 122190880, 125245652, 126831040, 143137888, 156557065, 178922360, 244381760, 250491304, 253662080, 286275776, 313114130, 357844720, 488763520, 500982608, 572551552, 626228260, 715689440, 1001965216, 1252456520, 1431378880, 2003930432, 2504913040, 2862757760, 4007860864, 5009826080, 10019652160, 20039304320]

約数ペア:

[(1, 20039304320), (2, 10019652160), (4, 5009826080), (5, 4007860864), (7, 2862757760), (8, 2504913040), (10, 2003930432), (14, 1431378880), (16, 1252456520), (20, 1001965216), (28, 715689440), (32, 626228260), (35, 572551552), (40, 500982608), (41, 488763520), (56, 357844720), (64, 313114130), (70, 286275776), (79, 253662080), (80, 250491304), (82, 244381760), (112, 178922360), (128, 156557065), (140, 143137888), (158, 126831040), (160, 125245652), (164, 122190880), (205, 97752704), (224, 89461180), (280, 71568944), (287, 69823360), (316, 63415520), (320, 62622826), (328, 61095440), (395, 50732416), (410, 48876352), (448, 44730590), (553, 36237440), (560, 35784472), (574, 34911680), (632, 31707760), (640, 31311413), (656, 30547720), (790, 25366208), (820, 24438176), (896, 22365295), (1106, 18118720), (1120, 17892236), (1148, 17455840), (1264, 15853880), (1312, 15273860), (1381, 14510720), (1435, 13964672), (1580, 12683104), (1640, 12219088), (2212, 9059360), (2240, 8946118), (2296, 8727920), (2528, 7926940), (2624, 7636930), (2762, 7255360), (2765, 7247488), (2870, 6982336), (3160, 6341552), (3239, 6186880), (3280, 6109544), (4424, 4529680), (4480, 4473059), (4592, 4363960), (5056, 3963470), (5248, 3818465), (5524, 3627680), (5530, 3623744), (5740, 3491168), (6320, 3170776), (6478, 3093440), (6560, 3054772), (6905, 2902144), (8848, 2264840), (9184, 2181980), (9667, 2072960), (10112, 1981735), (11048, 1813840), (11060, 1811872), (11480, 1745584), (12640, 1585388), (12956, 1546720), (13120, 1527386), (13810, 1451072), (16195, 1237376), (17696, 1132420), (18368, 1090990), (19334, 1036480), (22096, 906920), (22120, 905936), (22673, 883840), (22960, 872792), (25280, 792694), (25912, 773360), (26240, 763693), (27620, 725536), (32390, 618688), (35392, 566210), (36736, 545495), (38668, 518240), (44192, 453460), (44240, 452968), (45346, 441920), (45920, 436396), (48335, 414592), (50560, 396347), (51824, 386680), (55240, 362768), (56621, 353920), (64780, 309344), (70784, 283105), (77336, 259120), (88384, 226730), (88480, 226484), (90692, 220960), (91840, 218198), (96670, 207296), (103648, 193340), (109099, 183680), (110480, 181384), (113242, 176960), (113365, 176768), (129560, 154672)]