251710680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{509}}^1$

素因数の和:853

約数の個数: 128

約数和(自身を含む): 817387200

約数和(自身を除く): 565676520

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, 120, 130, 156, 195, 260, 312, 317, 390, 509, 520, 634, 780, 951, 1018, 1268, 1527, 1560, 1585, 1902, 2036, 2536, 2545, 3054, 3170, 3804, 4072, 4121, 4755, 5090, 6108, 6340, 6617, 7608, 7635, 8242, 9510, 10180, 12216, 12363, 12680, 13234, 15270, 16484, 19020, 19851, 20360, 20605, 24726, 26468, 30540, 32968, 33085, 38040, 39702, 41210, 49452, 52936, 61080, 61815, 66170, 79404, 82420, 98904, 99255, 123630, 132340, 158808, 161353, 164840, 198510, 247260, 264680, 322706, 397020, 484059, 494520, 645412, 794040, 806765, 968118, 1290824, 1613530, 1936236, 2097589, 2420295, 3227060, 3872472, 4195178, 4840590, 6292767, 6454120, 8390356, 9681180, 10487945, 12585534, 16780712, 19362360, 20975890, 25171068, 31463835, 41951780, 50342136, 62927670, 83903560, 125855340, 251710680]

約数ペア:

[(1, 251710680), (2, 125855340), (3, 83903560), (4, 62927670), (5, 50342136), (6, 41951780), (8, 31463835), (10, 25171068), (12, 20975890), (13, 19362360), (15, 16780712), (20, 12585534), (24, 10487945), (26, 9681180), (30, 8390356), (39, 6454120), (40, 6292767), (52, 4840590), (60, 4195178), (65, 3872472), (78, 3227060), (104, 2420295), (120, 2097589), (130, 1936236), (156, 1613530), (195, 1290824), (260, 968118), (312, 806765), (317, 794040), (390, 645412), (509, 494520), (520, 484059), (634, 397020), (780, 322706), (951, 264680), (1018, 247260), (1268, 198510), (1527, 164840), (1560, 161353), (1585, 158808), (1902, 132340), (2036, 123630), (2536, 99255), (2545, 98904), (3054, 82420), (3170, 79404), (3804, 66170), (4072, 61815), (4121, 61080), (4755, 52936), (5090, 49452), (6108, 41210), (6340, 39702), (6617, 38040), (7608, 33085), (7635, 32968), (8242, 30540), (9510, 26468), (10180, 24726), (12216, 20605), (12363, 20360), (12680, 19851), (13234, 19020), (15270, 16484)]