15984800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 44294040

約数和(自身を除く): 28309240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 32, 40, 50, 52, 53, 58, 65, 80, 100, 104, 106, 116, 130, 145, 160, 200, 208, 212, 232, 260, 265, 290, 325, 377, 400, 416, 424, 464, 520, 530, 580, 650, 689, 725, 754, 800, 848, 928, 1040, 1060, 1160, 1300, 1325, 1378, 1450, 1508, 1537, 1696, 1885, 2080, 2120, 2320, 2600, 2650, 2756, 2900, 3016, 3074, 3445, 3770, 4240, 4640, 5200, 5300, 5512, 5800, 6032, 6148, 6890, 7540, 7685, 8480, 9425, 10400, 10600, 11024, 11600, 12064, 12296, 13780, 15080, 15370, 17225, 18850, 19981, 21200, 22048, 23200, 24592, 27560, 30160, 30740, 34450, 37700, 38425, 39962, 42400, 49184, 55120, 60320, 61480, 68900, 75400, 76850, 79924, 99905, 110240, 122960, 137800, 150800, 153700, 159848, 199810, 245920, 275600, 301600, 307400, 319696, 399620, 499525, 551200, 614800, 639392, 799240, 999050, 1229600, 1598480, 1998100, 3196960, 3996200, 7992400, 15984800]

約数ペア:

[(1, 15984800), (2, 7992400), (4, 3996200), (5, 3196960), (8, 1998100), (10, 1598480), (13, 1229600), (16, 999050), (20, 799240), (25, 639392), (26, 614800), (29, 551200), (32, 499525), (40, 399620), (50, 319696), (52, 307400), (53, 301600), (58, 275600), (65, 245920), (80, 199810), (100, 159848), (104, 153700), (106, 150800), (116, 137800), (130, 122960), (145, 110240), (160, 99905), (200, 79924), (208, 76850), (212, 75400), (232, 68900), (260, 61480), (265, 60320), (290, 55120), (325, 49184), (377, 42400), (400, 39962), (416, 38425), (424, 37700), (464, 34450), (520, 30740), (530, 30160), (580, 27560), (650, 24592), (689, 23200), (725, 22048), (754, 21200), (800, 19981), (848, 18850), (928, 17225), (1040, 15370), (1060, 15080), (1160, 13780), (1300, 12296), (1325, 12064), (1378, 11600), (1450, 11024), (1508, 10600), (1537, 10400), (1696, 9425), (1885, 8480), (2080, 7685), (2120, 7540), (2320, 6890), (2600, 6148), (2650, 6032), (2756, 5800), (2900, 5512), (3016, 5300), (3074, 5200), (3445, 4640), (3770, 4240)]