40626720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:427

約数の個数: 144

約数和(自身を含む): 140638680

約数和(自身を除く): 100011960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 89, 90, 96, 120, 144, 160, 178, 180, 240, 267, 288, 317, 356, 360, 445, 480, 534, 634, 712, 720, 801, 890, 951, 1068, 1268, 1335, 1424, 1440, 1585, 1602, 1780, 1902, 2136, 2536, 2670, 2848, 2853, 3170, 3204, 3560, 3804, 4005, 4272, 4755, 5072, 5340, 5706, 6340, 6408, 7120, 7608, 8010, 8544, 9510, 10144, 10680, 11412, 12680, 12816, 14240, 14265, 15216, 16020, 19020, 21360, 22824, 25360, 25632, 28213, 28530, 30432, 32040, 38040, 42720, 45648, 50720, 56426, 57060, 64080, 76080, 84639, 91296, 112852, 114120, 128160, 141065, 152160, 169278, 225704, 228240, 253917, 282130, 338556, 423195, 451408, 456480, 507834, 564260, 677112, 846390, 902816, 1015668, 1128520, 1269585, 1354224, 1692780, 2031336, 2257040, 2539170, 2708448, 3385560, 4062672, 4514080, 5078340, 6771120, 8125344, 10156680, 13542240, 20313360, 40626720]

約数ペア:

[(1, 40626720), (2, 20313360), (3, 13542240), (4, 10156680), (5, 8125344), (6, 6771120), (8, 5078340), (9, 4514080), (10, 4062672), (12, 3385560), (15, 2708448), (16, 2539170), (18, 2257040), (20, 2031336), (24, 1692780), (30, 1354224), (32, 1269585), (36, 1128520), (40, 1015668), (45, 902816), (48, 846390), (60, 677112), (72, 564260), (80, 507834), (89, 456480), (90, 451408), (96, 423195), (120, 338556), (144, 282130), (160, 253917), (178, 228240), (180, 225704), (240, 169278), (267, 152160), (288, 141065), (317, 128160), (356, 114120), (360, 112852), (445, 91296), (480, 84639), (534, 76080), (634, 64080), (712, 57060), (720, 56426), (801, 50720), (890, 45648), (951, 42720), (1068, 38040), (1268, 32040), (1335, 30432), (1424, 28530), (1440, 28213), (1585, 25632), (1602, 25360), (1780, 22824), (1902, 21360), (2136, 19020), (2536, 16020), (2670, 15216), (2848, 14265), (2853, 14240), (3170, 12816), (3204, 12680), (3560, 11412), (3804, 10680), (4005, 10144), (4272, 9510), (4755, 8544), (5072, 8010), (5340, 7608), (5706, 7120), (6340, 6408)]