155355720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1879}}^1$

素因数の和:1959

約数の個数: 128

約数和(自身を含む): 511660800

約数和(自身を除く): 356305080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 260, 265, 312, 318, 390, 424, 520, 530, 636, 689, 780, 795, 1060, 1272, 1378, 1560, 1590, 1879, 2067, 2120, 2756, 3180, 3445, 3758, 4134, 5512, 5637, 6360, 6890, 7516, 8268, 9395, 10335, 11274, 13780, 15032, 16536, 18790, 20670, 22548, 24427, 27560, 28185, 37580, 41340, 45096, 48854, 56370, 73281, 75160, 82680, 97708, 99587, 112740, 122135, 146562, 195416, 199174, 225480, 244270, 293124, 298761, 366405, 398348, 488540, 497935, 586248, 597522, 732810, 796696, 977080, 995870, 1195044, 1294631, 1465620, 1493805, 1991740, 2390088, 2589262, 2931240, 2987610, 3883893, 3983480, 5178524, 5975220, 6473155, 7767786, 10357048, 11950440, 12946310, 15535572, 19419465, 25892620, 31071144, 38838930, 51785240, 77677860, 155355720]

約数ペア:

[(1, 155355720), (2, 77677860), (3, 51785240), (4, 38838930), (5, 31071144), (6, 25892620), (8, 19419465), (10, 15535572), (12, 12946310), (13, 11950440), (15, 10357048), (20, 7767786), (24, 6473155), (26, 5975220), (30, 5178524), (39, 3983480), (40, 3883893), (52, 2987610), (53, 2931240), (60, 2589262), (65, 2390088), (78, 1991740), (104, 1493805), (106, 1465620), (120, 1294631), (130, 1195044), (156, 995870), (159, 977080), (195, 796696), (212, 732810), (260, 597522), (265, 586248), (312, 497935), (318, 488540), (390, 398348), (424, 366405), (520, 298761), (530, 293124), (636, 244270), (689, 225480), (780, 199174), (795, 195416), (1060, 146562), (1272, 122135), (1378, 112740), (1560, 99587), (1590, 97708), (1879, 82680), (2067, 75160), (2120, 73281), (2756, 56370), (3180, 48854), (3445, 45096), (3758, 41340), (4134, 37580), (5512, 28185), (5637, 27560), (6360, 24427), (6890, 22548), (7516, 20670), (8268, 18790), (9395, 16536), (10335, 15032), (11274, 13780)]