138768240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:671

約数の個数: 160

約数和(自身を含む): 469969920

約数和(自身を除く): 331201680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 79, 80, 104, 120, 130, 156, 158, 195, 208, 237, 240, 260, 312, 316, 390, 395, 474, 520, 563, 624, 632, 780, 790, 948, 1027, 1040, 1126, 1185, 1264, 1560, 1580, 1689, 1896, 2054, 2252, 2370, 2815, 3081, 3120, 3160, 3378, 3792, 4108, 4504, 4740, 5135, 5630, 6162, 6320, 6756, 7319, 8216, 8445, 9008, 9480, 10270, 11260, 12324, 13512, 14638, 15405, 16432, 16890, 18960, 20540, 21957, 22520, 24648, 27024, 29276, 30810, 33780, 36595, 41080, 43914, 44477, 45040, 49296, 58552, 61620, 67560, 73190, 82160, 87828, 88954, 109785, 117104, 123240, 133431, 135120, 146380, 175656, 177908, 219570, 222385, 246480, 266862, 292760, 351312, 355816, 439140, 444770, 533724, 578201, 585520, 667155, 711632, 878280, 889540, 1067448, 1156402, 1334310, 1734603, 1756560, 1779080, 2134896, 2312804, 2668620, 2891005, 3469206, 3558160, 4625608, 5337240, 5782010, 6938412, 8673015, 9251216, 10674480, 11564020, 13876824, 17346030, 23128040, 27753648, 34692060, 46256080, 69384120, 138768240]

約数ペア:

[(1, 138768240), (2, 69384120), (3, 46256080), (4, 34692060), (5, 27753648), (6, 23128040), (8, 17346030), (10, 13876824), (12, 11564020), (13, 10674480), (15, 9251216), (16, 8673015), (20, 6938412), (24, 5782010), (26, 5337240), (30, 4625608), (39, 3558160), (40, 3469206), (48, 2891005), (52, 2668620), (60, 2312804), (65, 2134896), (78, 1779080), (79, 1756560), (80, 1734603), (104, 1334310), (120, 1156402), (130, 1067448), (156, 889540), (158, 878280), (195, 711632), (208, 667155), (237, 585520), (240, 578201), (260, 533724), (312, 444770), (316, 439140), (390, 355816), (395, 351312), (474, 292760), (520, 266862), (563, 246480), (624, 222385), (632, 219570), (780, 177908), (790, 175656), (948, 146380), (1027, 135120), (1040, 133431), (1126, 123240), (1185, 117104), (1264, 109785), (1560, 88954), (1580, 87828), (1689, 82160), (1896, 73190), (2054, 67560), (2252, 61620), (2370, 58552), (2815, 49296), (3081, 45040), (3120, 44477), (3160, 43914), (3378, 41080), (3792, 36595), (4108, 33780), (4504, 30810), (4740, 29276), (5135, 27024), (5630, 24648), (6162, 22520), (6320, 21957), (6756, 20540), (7319, 18960), (8216, 16890), (8445, 16432), (9008, 15405), (9480, 14638), (10270, 13512), (11260, 12324)]