257448360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2089}}^1$

素因数の和:2195

約数の個数: 128

約数和(自身を含む): 842688000

約数和(自身を除く): 585239640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 79, 104, 120, 130, 156, 158, 195, 237, 260, 312, 316, 390, 395, 474, 520, 632, 780, 790, 948, 1027, 1185, 1560, 1580, 1896, 2054, 2089, 2370, 3081, 3160, 4108, 4178, 4740, 5135, 6162, 6267, 8216, 8356, 9480, 10270, 10445, 12324, 12534, 15405, 16712, 20540, 20890, 24648, 25068, 27157, 30810, 31335, 41080, 41780, 50136, 54314, 61620, 62670, 81471, 83560, 108628, 123240, 125340, 135785, 162942, 165031, 217256, 250680, 271570, 325884, 330062, 407355, 495093, 543140, 651768, 660124, 814710, 825155, 990186, 1086280, 1320248, 1629420, 1650310, 1980372, 2145403, 2475465, 3258840, 3300620, 3960744, 4290806, 4950930, 6436209, 6601240, 8581612, 9901860, 10727015, 12872418, 17163224, 19803720, 21454030, 25744836, 32181045, 42908060, 51489672, 64362090, 85816120, 128724180, 257448360]

約数ペア:

[(1, 257448360), (2, 128724180), (3, 85816120), (4, 64362090), (5, 51489672), (6, 42908060), (8, 32181045), (10, 25744836), (12, 21454030), (13, 19803720), (15, 17163224), (20, 12872418), (24, 10727015), (26, 9901860), (30, 8581612), (39, 6601240), (40, 6436209), (52, 4950930), (60, 4290806), (65, 3960744), (78, 3300620), (79, 3258840), (104, 2475465), (120, 2145403), (130, 1980372), (156, 1650310), (158, 1629420), (195, 1320248), (237, 1086280), (260, 990186), (312, 825155), (316, 814710), (390, 660124), (395, 651768), (474, 543140), (520, 495093), (632, 407355), (780, 330062), (790, 325884), (948, 271570), (1027, 250680), (1185, 217256), (1560, 165031), (1580, 162942), (1896, 135785), (2054, 125340), (2089, 123240), (2370, 108628), (3081, 83560), (3160, 81471), (4108, 62670), (4178, 61620), (4740, 54314), (5135, 50136), (6162, 41780), (6267, 41080), (8216, 31335), (8356, 30810), (9480, 27157), (10270, 25068), (10445, 24648), (12324, 20890), (12534, 20540), (15405, 16712)]