217664720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1031}}^1$

素因数の和:1093

約数の個数: 160

約数和(自身を含む): 644958720

約数和(自身を除く): 427294000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 182, 203, 208, 232, 260, 280, 290, 364, 377, 406, 455, 464, 520, 560, 580, 728, 754, 812, 910, 1015, 1031, 1040, 1160, 1456, 1508, 1624, 1820, 1885, 2030, 2062, 2320, 2639, 3016, 3248, 3640, 3770, 4060, 4124, 5155, 5278, 6032, 7217, 7280, 7540, 8120, 8248, 10310, 10556, 13195, 13403, 14434, 15080, 16240, 16496, 20620, 21112, 26390, 26806, 28868, 29899, 30160, 36085, 41240, 42224, 52780, 53612, 57736, 59798, 67015, 72170, 82480, 93821, 105560, 107224, 115472, 119596, 134030, 144340, 149495, 187642, 209293, 211120, 214448, 239192, 268060, 288680, 298990, 375284, 388687, 418586, 469105, 478384, 536120, 577360, 597980, 750568, 777374, 837172, 938210, 1046465, 1072240, 1195960, 1501136, 1554748, 1674344, 1876420, 1943435, 2092930, 2391920, 2720809, 3109496, 3348688, 3752840, 3886870, 4185860, 5441618, 6218992, 7505680, 7773740, 8371720, 10883236, 13604045, 15547480, 16743440, 21766472, 27208090, 31094960, 43532944, 54416180, 108832360, 217664720]

約数ペア:

[(1, 217664720), (2, 108832360), (4, 54416180), (5, 43532944), (7, 31094960), (8, 27208090), (10, 21766472), (13, 16743440), (14, 15547480), (16, 13604045), (20, 10883236), (26, 8371720), (28, 7773740), (29, 7505680), (35, 6218992), (40, 5441618), (52, 4185860), (56, 3886870), (58, 3752840), (65, 3348688), (70, 3109496), (80, 2720809), (91, 2391920), (104, 2092930), (112, 1943435), (116, 1876420), (130, 1674344), (140, 1554748), (145, 1501136), (182, 1195960), (203, 1072240), (208, 1046465), (232, 938210), (260, 837172), (280, 777374), (290, 750568), (364, 597980), (377, 577360), (406, 536120), (455, 478384), (464, 469105), (520, 418586), (560, 388687), (580, 375284), (728, 298990), (754, 288680), (812, 268060), (910, 239192), (1015, 214448), (1031, 211120), (1040, 209293), (1160, 187642), (1456, 149495), (1508, 144340), (1624, 134030), (1820, 119596), (1885, 115472), (2030, 107224), (2062, 105560), (2320, 93821), (2639, 82480), (3016, 72170), (3248, 67015), (3640, 59798), (3770, 57736), (4060, 53612), (4124, 52780), (5155, 42224), (5278, 41240), (6032, 36085), (7217, 30160), (7280, 29899), (7540, 28868), (8120, 26806), (8248, 26390), (10310, 21112), (10556, 20620), (13195, 16496), (13403, 16240), (14434, 15080)]