31987800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1367}}^1$

素因数の和:1402

約数の個数: 144

約数和(自身を含む): 115773840

約数和(自身を除く): 83786040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 900, 936, 975, 1170, 1300, 1367, 1560, 1800, 1950, 2340, 2600, 2734, 2925, 3900, 4101, 4680, 5468, 5850, 6835, 7800, 8202, 10936, 11700, 12303, 13670, 16404, 17771, 20505, 23400, 24606, 27340, 32808, 34175, 35542, 41010, 49212, 53313, 54680, 61515, 68350, 71084, 82020, 88855, 98424, 102525, 106626, 123030, 136700, 142168, 159939, 164040, 177710, 205050, 213252, 246060, 266565, 273400, 307575, 319878, 355420, 410100, 426504, 444275, 492120, 533130, 615150, 639756, 710840, 799695, 820200, 888550, 1066260, 1230300, 1279512, 1332825, 1599390, 1777100, 2132520, 2460600, 2665650, 3198780, 3554200, 3998475, 5331300, 6397560, 7996950, 10662600, 15993900, 31987800]

約数ペア:

[(1, 31987800), (2, 15993900), (3, 10662600), (4, 7996950), (5, 6397560), (6, 5331300), (8, 3998475), (9, 3554200), (10, 3198780), (12, 2665650), (13, 2460600), (15, 2132520), (18, 1777100), (20, 1599390), (24, 1332825), (25, 1279512), (26, 1230300), (30, 1066260), (36, 888550), (39, 820200), (40, 799695), (45, 710840), (50, 639756), (52, 615150), (60, 533130), (65, 492120), (72, 444275), (75, 426504), (78, 410100), (90, 355420), (100, 319878), (104, 307575), (117, 273400), (120, 266565), (130, 246060), (150, 213252), (156, 205050), (180, 177710), (195, 164040), (200, 159939), (225, 142168), (234, 136700), (260, 123030), (300, 106626), (312, 102525), (325, 98424), (360, 88855), (390, 82020), (450, 71084), (468, 68350), (520, 61515), (585, 54680), (600, 53313), (650, 49212), (780, 41010), (900, 35542), (936, 34175), (975, 32808), (1170, 27340), (1300, 24606), (1367, 23400), (1560, 20505), (1800, 17771), (1950, 16404), (2340, 13670), (2600, 12303), (2734, 11700), (2925, 10936), (3900, 8202), (4101, 7800), (4680, 6835), (5468, 5850)]