71355180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 224308224

約数和(自身を除く): 152953044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 227, 260, 310, 338, 372, 390, 403, 454, 465, 507, 620, 676, 681, 780, 806, 845, 908, 930, 1014, 1135, 1209, 1362, 1612, 1690, 1860, 2015, 2028, 2270, 2418, 2535, 2724, 2951, 3380, 3405, 4030, 4540, 4836, 5070, 5239, 5902, 6045, 6810, 7037, 8060, 8853, 10140, 10478, 11804, 12090, 13620, 14074, 14755, 15717, 17706, 20956, 21111, 24180, 26195, 28148, 29510, 31434, 35185, 35412, 38363, 42222, 44265, 52390, 59020, 62868, 70370, 76726, 78585, 84444, 88530, 91481, 104780, 105555, 115089, 140740, 153452, 157170, 177060, 182962, 191815, 211110, 230178, 274443, 314340, 365924, 383630, 422220, 457405, 460356, 548886, 575445, 767260, 914810, 1097772, 1150890, 1189253, 1372215, 1829620, 2301780, 2378506, 2744430, 3567759, 4757012, 5488860, 5946265, 7135518, 11892530, 14271036, 17838795, 23785060, 35677590, 71355180]

約数ペア:

[(1, 71355180), (2, 35677590), (3, 23785060), (4, 17838795), (5, 14271036), (6, 11892530), (10, 7135518), (12, 5946265), (13, 5488860), (15, 4757012), (20, 3567759), (26, 2744430), (30, 2378506), (31, 2301780), (39, 1829620), (52, 1372215), (60, 1189253), (62, 1150890), (65, 1097772), (78, 914810), (93, 767260), (124, 575445), (130, 548886), (155, 460356), (156, 457405), (169, 422220), (186, 383630), (195, 365924), (227, 314340), (260, 274443), (310, 230178), (338, 211110), (372, 191815), (390, 182962), (403, 177060), (454, 157170), (465, 153452), (507, 140740), (620, 115089), (676, 105555), (681, 104780), (780, 91481), (806, 88530), (845, 84444), (908, 78585), (930, 76726), (1014, 70370), (1135, 62868), (1209, 59020), (1362, 52390), (1612, 44265), (1690, 42222), (1860, 38363), (2015, 35412), (2028, 35185), (2270, 31434), (2418, 29510), (2535, 28148), (2724, 26195), (2951, 24180), (3380, 21111), (3405, 20956), (4030, 17706), (4540, 15717), (4836, 14755), (5070, 14074), (5239, 13620), (5902, 12090), (6045, 11804), (6810, 10478), (7037, 10140), (8060, 8853)]