657126840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10391}}^1$

素因数の和:10453

約数の個数: 128

約数和(自身を含む): 2154885120

約数和(自身を除く): 1497758280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2108, 2635, 3162, 3720, 4216, 5270, 6324, 7905, 10391, 10540, 12648, 15810, 20782, 21080, 31173, 31620, 41564, 51955, 62346, 63240, 83128, 103910, 124692, 155865, 176647, 207820, 249384, 311730, 322121, 353294, 415640, 529941, 623460, 644242, 706588, 883235, 966363, 1059882, 1246920, 1288484, 1413176, 1610605, 1766470, 1932726, 2119764, 2576968, 2649705, 3221210, 3532940, 3865452, 4239528, 4831815, 5299410, 5476057, 6442420, 7065880, 7730904, 9663630, 10598820, 10952114, 12884840, 16428171, 19327260, 21197640, 21904228, 27380285, 32856342, 38654520, 43808456, 54760570, 65712684, 82140855, 109521140, 131425368, 164281710, 219042280, 328563420, 657126840]

約数ペア:

[(1, 657126840), (2, 328563420), (3, 219042280), (4, 164281710), (5, 131425368), (6, 109521140), (8, 82140855), (10, 65712684), (12, 54760570), (15, 43808456), (17, 38654520), (20, 32856342), (24, 27380285), (30, 21904228), (31, 21197640), (34, 19327260), (40, 16428171), (51, 12884840), (60, 10952114), (62, 10598820), (68, 9663630), (85, 7730904), (93, 7065880), (102, 6442420), (120, 5476057), (124, 5299410), (136, 4831815), (155, 4239528), (170, 3865452), (186, 3532940), (204, 3221210), (248, 2649705), (255, 2576968), (310, 2119764), (340, 1932726), (372, 1766470), (408, 1610605), (465, 1413176), (510, 1288484), (527, 1246920), (620, 1059882), (680, 966363), (744, 883235), (930, 706588), (1020, 644242), (1054, 623460), (1240, 529941), (1581, 415640), (1860, 353294), (2040, 322121), (2108, 311730), (2635, 249384), (3162, 207820), (3720, 176647), (4216, 155865), (5270, 124692), (6324, 103910), (7905, 83128), (10391, 63240), (10540, 62346), (12648, 51955), (15810, 41564), (20782, 31620), (21080, 31173)]