278355480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1637}}^1$

素因数の和:1773

約数の個数: 128

約数和(自身を含む): 908107200

約数和(自身を除く): 629751720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 109, 120, 130, 156, 195, 218, 260, 312, 327, 390, 436, 520, 545, 654, 780, 872, 1090, 1308, 1417, 1560, 1635, 1637, 2180, 2616, 2834, 3270, 3274, 4251, 4360, 4911, 5668, 6540, 6548, 7085, 8185, 8502, 9822, 11336, 13080, 13096, 14170, 16370, 17004, 19644, 21255, 21281, 24555, 28340, 32740, 34008, 39288, 42510, 42562, 49110, 56680, 63843, 65480, 85020, 85124, 98220, 106405, 127686, 170040, 170248, 178433, 196440, 212810, 255372, 319215, 356866, 425620, 510744, 535299, 638430, 713732, 851240, 892165, 1070598, 1276860, 1427464, 1784330, 2141196, 2319629, 2553720, 2676495, 3568660, 4282392, 4639258, 5352990, 6958887, 7137320, 9278516, 10705980, 11598145, 13917774, 18557032, 21411960, 23196290, 27835548, 34794435, 46392580, 55671096, 69588870, 92785160, 139177740, 278355480]

約数ペア:

[(1, 278355480), (2, 139177740), (3, 92785160), (4, 69588870), (5, 55671096), (6, 46392580), (8, 34794435), (10, 27835548), (12, 23196290), (13, 21411960), (15, 18557032), (20, 13917774), (24, 11598145), (26, 10705980), (30, 9278516), (39, 7137320), (40, 6958887), (52, 5352990), (60, 4639258), (65, 4282392), (78, 3568660), (104, 2676495), (109, 2553720), (120, 2319629), (130, 2141196), (156, 1784330), (195, 1427464), (218, 1276860), (260, 1070598), (312, 892165), (327, 851240), (390, 713732), (436, 638430), (520, 535299), (545, 510744), (654, 425620), (780, 356866), (872, 319215), (1090, 255372), (1308, 212810), (1417, 196440), (1560, 178433), (1635, 170248), (1637, 170040), (2180, 127686), (2616, 106405), (2834, 98220), (3270, 85124), (3274, 85020), (4251, 65480), (4360, 63843), (4911, 56680), (5668, 49110), (6540, 42562), (6548, 42510), (7085, 39288), (8185, 34008), (8502, 32740), (9822, 28340), (11336, 24555), (13080, 21281), (13096, 21255), (14170, 19644), (16370, 17004)]