248755920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{563}}^1$

素因数の和:849

約数の個数: 160

約数和(自身を含む): 886228992

約数和(自身を除く): 637473072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 263, 280, 336, 420, 526, 560, 563, 789, 840, 1052, 1126, 1315, 1578, 1680, 1689, 1841, 2104, 2252, 2630, 2815, 3156, 3378, 3682, 3941, 3945, 4208, 4504, 5260, 5523, 5630, 6312, 6756, 7364, 7882, 7890, 8445, 9008, 9205, 10520, 11046, 11260, 11823, 12624, 13512, 14728, 15764, 15780, 16890, 18410, 19705, 21040, 22092, 22520, 23646, 27024, 27615, 29456, 31528, 31560, 33780, 36820, 39410, 44184, 45040, 47292, 55230, 59115, 63056, 63120, 67560, 73640, 78820, 88368, 94584, 110460, 118230, 135120, 147280, 148069, 157640, 189168, 220920, 236460, 296138, 315280, 441840, 444207, 472920, 592276, 740345, 888414, 945840, 1036483, 1184552, 1480690, 1776828, 2072966, 2221035, 2369104, 2961380, 3109449, 3553656, 4145932, 4442070, 5182415, 5922760, 6218898, 7107312, 8291864, 8884140, 10364830, 11845520, 12437796, 15547245, 16583728, 17768280, 20729660, 24875592, 31094490, 35536560, 41459320, 49751184, 62188980, 82918640, 124377960, 248755920]

約数ペア:

[(1, 248755920), (2, 124377960), (3, 82918640), (4, 62188980), (5, 49751184), (6, 41459320), (7, 35536560), (8, 31094490), (10, 24875592), (12, 20729660), (14, 17768280), (15, 16583728), (16, 15547245), (20, 12437796), (21, 11845520), (24, 10364830), (28, 8884140), (30, 8291864), (35, 7107312), (40, 6218898), (42, 5922760), (48, 5182415), (56, 4442070), (60, 4145932), (70, 3553656), (80, 3109449), (84, 2961380), (105, 2369104), (112, 2221035), (120, 2072966), (140, 1776828), (168, 1480690), (210, 1184552), (240, 1036483), (263, 945840), (280, 888414), (336, 740345), (420, 592276), (526, 472920), (560, 444207), (563, 441840), (789, 315280), (840, 296138), (1052, 236460), (1126, 220920), (1315, 189168), (1578, 157640), (1680, 148069), (1689, 147280), (1841, 135120), (2104, 118230), (2252, 110460), (2630, 94584), (2815, 88368), (3156, 78820), (3378, 73640), (3682, 67560), (3941, 63120), (3945, 63056), (4208, 59115), (4504, 55230), (5260, 47292), (5523, 45040), (5630, 44184), (6312, 39410), (6756, 36820), (7364, 33780), (7882, 31560), (7890, 31528), (8445, 29456), (9008, 27615), (9205, 27024), (10520, 23646), (11046, 22520), (11260, 22092), (11823, 21040), (12624, 19705), (13512, 18410), (14728, 16890), (15764, 15780)]