65877700720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{157181}}^1$

素因数の和:157251

約数の個数: 120

約数和(自身を含む): 171205149312

約数和(自身を除く): 105327448592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 169, 208, 248, 260, 310, 338, 403, 496, 520, 620, 676, 806, 845, 1040, 1240, 1352, 1612, 1690, 2015, 2480, 2704, 3224, 3380, 4030, 5239, 6448, 6760, 8060, 10478, 13520, 16120, 20956, 26195, 32240, 41912, 52390, 83824, 104780, 157181, 209560, 314362, 419120, 628724, 785905, 1257448, 1571810, 2043353, 2514896, 3143620, 4086706, 4872611, 6287240, 8173412, 9745222, 10216765, 12574480, 16346824, 19490444, 20433530, 24363055, 26563589, 32693648, 38980888, 40867060, 48726110, 53127178, 63343943, 77961776, 81734120, 97452220, 106254356, 126687886, 132817945, 163468240, 194904440, 212508712, 253375772, 265635890, 316719715, 389808880, 425017424, 506751544, 531271780, 633439430, 823471259, 1013503088, 1062543560, 1266878860, 1646942518, 2125087120, 2533757720, 3293885036, 4117356295, 5067515440, 6587770072, 8234712590, 13175540144, 16469425180, 32938850360, 65877700720]

約数ペア:

[(1, 65877700720), (2, 32938850360), (4, 16469425180), (5, 13175540144), (8, 8234712590), (10, 6587770072), (13, 5067515440), (16, 4117356295), (20, 3293885036), (26, 2533757720), (31, 2125087120), (40, 1646942518), (52, 1266878860), (62, 1062543560), (65, 1013503088), (80, 823471259), (104, 633439430), (124, 531271780), (130, 506751544), (155, 425017424), (169, 389808880), (208, 316719715), (248, 265635890), (260, 253375772), (310, 212508712), (338, 194904440), (403, 163468240), (496, 132817945), (520, 126687886), (620, 106254356), (676, 97452220), (806, 81734120), (845, 77961776), (1040, 63343943), (1240, 53127178), (1352, 48726110), (1612, 40867060), (1690, 38980888), (2015, 32693648), (2480, 26563589), (2704, 24363055), (3224, 20433530), (3380, 19490444), (4030, 16346824), (5239, 12574480), (6448, 10216765), (6760, 9745222), (8060, 8173412), (10478, 6287240), (13520, 4872611), (16120, 4086706), (20956, 3143620), (26195, 2514896), (32240, 2043353), (41912, 1571810), (52390, 1257448), (83824, 785905), (104780, 628724), (157181, 419120), (209560, 314362)]