81360240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:411

約数の個数: 160

約数和(自身を含む): 275607360

約数和(自身を除く): 194247120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 89, 104, 120, 130, 156, 178, 195, 208, 240, 260, 267, 293, 312, 356, 390, 445, 520, 534, 586, 624, 712, 780, 879, 890, 1040, 1068, 1157, 1172, 1335, 1424, 1465, 1560, 1758, 1780, 2136, 2314, 2344, 2670, 2930, 3120, 3471, 3516, 3560, 3809, 4272, 4395, 4628, 4688, 5340, 5785, 5860, 6942, 7032, 7120, 7618, 8790, 9256, 10680, 11427, 11570, 11720, 13884, 14064, 15236, 17355, 17580, 18512, 19045, 21360, 22854, 23140, 23440, 26077, 27768, 30472, 34710, 35160, 38090, 45708, 46280, 52154, 55536, 57135, 60944, 69420, 70320, 76180, 78231, 91416, 92560, 104308, 114270, 130385, 138840, 152360, 156462, 182832, 208616, 228540, 260770, 277680, 304720, 312924, 339001, 391155, 417232, 457080, 521540, 625848, 678002, 782310, 914160, 1017003, 1043080, 1251696, 1356004, 1564620, 1695005, 2034006, 2086160, 2712008, 3129240, 3390010, 4068012, 5085015, 5424016, 6258480, 6780020, 8136024, 10170030, 13560040, 16272048, 20340060, 27120080, 40680120, 81360240]

約数ペア:

[(1, 81360240), (2, 40680120), (3, 27120080), (4, 20340060), (5, 16272048), (6, 13560040), (8, 10170030), (10, 8136024), (12, 6780020), (13, 6258480), (15, 5424016), (16, 5085015), (20, 4068012), (24, 3390010), (26, 3129240), (30, 2712008), (39, 2086160), (40, 2034006), (48, 1695005), (52, 1564620), (60, 1356004), (65, 1251696), (78, 1043080), (80, 1017003), (89, 914160), (104, 782310), (120, 678002), (130, 625848), (156, 521540), (178, 457080), (195, 417232), (208, 391155), (240, 339001), (260, 312924), (267, 304720), (293, 277680), (312, 260770), (356, 228540), (390, 208616), (445, 182832), (520, 156462), (534, 152360), (586, 138840), (624, 130385), (712, 114270), (780, 104308), (879, 92560), (890, 91416), (1040, 78231), (1068, 76180), (1157, 70320), (1172, 69420), (1335, 60944), (1424, 57135), (1465, 55536), (1560, 52154), (1758, 46280), (1780, 45708), (2136, 38090), (2314, 35160), (2344, 34710), (2670, 30472), (2930, 27768), (3120, 26077), (3471, 23440), (3516, 23140), (3560, 22854), (3809, 21360), (4272, 19045), (4395, 18512), (4628, 17580), (4688, 17355), (5340, 15236), (5785, 14064), (5860, 13884), (6942, 11720), (7032, 11570), (7120, 11427), (7618, 10680), (8790, 9256)]