15209740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 40247424

約数和(自身を除く): 25037684

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 61, 65, 70, 91, 122, 130, 137, 140, 182, 244, 260, 274, 305, 364, 427, 455, 548, 610, 685, 793, 854, 910, 959, 1220, 1370, 1586, 1708, 1781, 1820, 1918, 2135, 2740, 3172, 3562, 3836, 3965, 4270, 4795, 5551, 7124, 7930, 8357, 8540, 8905, 9590, 11102, 12467, 15860, 16714, 17810, 19180, 22204, 24934, 27755, 33428, 35620, 41785, 49868, 55510, 58499, 62335, 83570, 108641, 111020, 116998, 124670, 167140, 217282, 233996, 249340, 292495, 434564, 543205, 584990, 760487, 1086410, 1169980, 1520974, 2172820, 3041948, 3802435, 7604870, 15209740]

約数ペア:

[(1, 15209740), (2, 7604870), (4, 3802435), (5, 3041948), (7, 2172820), (10, 1520974), (13, 1169980), (14, 1086410), (20, 760487), (26, 584990), (28, 543205), (35, 434564), (52, 292495), (61, 249340), (65, 233996), (70, 217282), (91, 167140), (122, 124670), (130, 116998), (137, 111020), (140, 108641), (182, 83570), (244, 62335), (260, 58499), (274, 55510), (305, 49868), (364, 41785), (427, 35620), (455, 33428), (548, 27755), (610, 24934), (685, 22204), (793, 19180), (854, 17810), (910, 16714), (959, 15860), (1220, 12467), (1370, 11102), (1586, 9590), (1708, 8905), (1781, 8540), (1820, 8357), (1918, 7930), (2135, 7124), (2740, 5551), (3172, 4795), (3562, 4270), (3836, 3965)]