128480820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1297}}^1$

素因数の和:1449

約数の個数: 96

約数和(自身を含む): 390770688

約数和(自身を除く): 262289868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 127, 130, 156, 195, 254, 260, 381, 390, 508, 635, 762, 780, 1270, 1297, 1524, 1651, 1905, 2540, 2594, 3302, 3810, 3891, 4953, 5188, 6485, 6604, 7620, 7782, 8255, 9906, 12970, 15564, 16510, 16861, 19455, 19812, 24765, 25940, 33020, 33722, 38910, 49530, 50583, 67444, 77820, 84305, 99060, 101166, 164719, 168610, 202332, 252915, 329438, 337220, 494157, 505830, 658876, 823595, 988314, 1011660, 1647190, 1976628, 2141347, 2470785, 3294380, 4282694, 4941570, 6424041, 8565388, 9883140, 10706735, 12848082, 21413470, 25696164, 32120205, 42826940, 64240410, 128480820]

約数ペア:

[(1, 128480820), (2, 64240410), (3, 42826940), (4, 32120205), (5, 25696164), (6, 21413470), (10, 12848082), (12, 10706735), (13, 9883140), (15, 8565388), (20, 6424041), (26, 4941570), (30, 4282694), (39, 3294380), (52, 2470785), (60, 2141347), (65, 1976628), (78, 1647190), (127, 1011660), (130, 988314), (156, 823595), (195, 658876), (254, 505830), (260, 494157), (381, 337220), (390, 329438), (508, 252915), (635, 202332), (762, 168610), (780, 164719), (1270, 101166), (1297, 99060), (1524, 84305), (1651, 77820), (1905, 67444), (2540, 50583), (2594, 49530), (3302, 38910), (3810, 33722), (3891, 33020), (4953, 25940), (5188, 24765), (6485, 19812), (6604, 19455), (7620, 16861), (7782, 16510), (8255, 15564), (9906, 12970)]