40787280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:866

約数の個数: 160

約数和(自身を含む): 146776320

約数和(自身を除く): 105989040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 540, 552, 621, 690, 720, 821, 828, 920, 1035, 1080, 1104, 1242, 1380, 1642, 1656, 1840, 2070, 2160, 2463, 2484, 2760, 3105, 3284, 3312, 4105, 4140, 4926, 4968, 5520, 6210, 6568, 7389, 8210, 8280, 9852, 9936, 12315, 12420, 13136, 14778, 16420, 16560, 18883, 19704, 22167, 24630, 24840, 29556, 32840, 36945, 37766, 39408, 44334, 49260, 49680, 56649, 59112, 65680, 73890, 75532, 88668, 94415, 98520, 110835, 113298, 118224, 147780, 151064, 169947, 177336, 188830, 197040, 221670, 226596, 283245, 295560, 302128, 339894, 354672, 377660, 443340, 453192, 509841, 566490, 591120, 679788, 755320, 849735, 886680, 906384, 1019682, 1132980, 1359576, 1510640, 1699470, 1773360, 2039364, 2265960, 2549205, 2719152, 3398940, 4078728, 4531920, 5098410, 6797880, 8157456, 10196820, 13595760, 20393640, 40787280]

約数ペア:

[(1, 40787280), (2, 20393640), (3, 13595760), (4, 10196820), (5, 8157456), (6, 6797880), (8, 5098410), (9, 4531920), (10, 4078728), (12, 3398940), (15, 2719152), (16, 2549205), (18, 2265960), (20, 2039364), (23, 1773360), (24, 1699470), (27, 1510640), (30, 1359576), (36, 1132980), (40, 1019682), (45, 906384), (46, 886680), (48, 849735), (54, 755320), (60, 679788), (69, 591120), (72, 566490), (80, 509841), (90, 453192), (92, 443340), (108, 377660), (115, 354672), (120, 339894), (135, 302128), (138, 295560), (144, 283245), (180, 226596), (184, 221670), (207, 197040), (216, 188830), (230, 177336), (240, 169947), (270, 151064), (276, 147780), (345, 118224), (360, 113298), (368, 110835), (414, 98520), (432, 94415), (460, 88668), (540, 75532), (552, 73890), (621, 65680), (690, 59112), (720, 56649), (821, 49680), (828, 49260), (920, 44334), (1035, 39408), (1080, 37766), (1104, 36945), (1242, 32840), (1380, 29556), (1642, 24840), (1656, 24630), (1840, 22167), (2070, 19704), (2160, 18883), (2463, 16560), (2484, 16420), (2760, 14778), (3105, 13136), (3284, 12420), (3312, 12315), (4105, 9936), (4140, 9852), (4926, 8280), (4968, 8210), (5520, 7389), (6210, 6568)]