221536560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:995

約数の個数: 160

約数和(自身を含む): 790663680

約数和(自身を除く): 569127120

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, 163, 168, 210, 240, 280, 326, 336, 420, 489, 560, 652, 809, 815, 840, 978, 1141, 1304, 1618, 1630, 1680, 1956, 2282, 2427, 2445, 2608, 3236, 3260, 3423, 3912, 4045, 4564, 4854, 4890, 5663, 5705, 6472, 6520, 6846, 7824, 8090, 9128, 9708, 9780, 11326, 11410, 12135, 12944, 13040, 13692, 16180, 16989, 17115, 18256, 19416, 19560, 22652, 22820, 24270, 27384, 28315, 32360, 33978, 34230, 38832, 39120, 45304, 45640, 48540, 54768, 56630, 64720, 67956, 68460, 84945, 90608, 91280, 97080, 113260, 131867, 135912, 136920, 169890, 194160, 226520, 263734, 271824, 273840, 339780, 395601, 453040, 527468, 659335, 679560, 791202, 923069, 1054936, 1318670, 1359120, 1582404, 1846138, 1978005, 2109872, 2637340, 2769207, 3164808, 3692276, 3956010, 4615345, 5274680, 5538414, 6329616, 7384552, 7912020, 9230690, 10549360, 11076828, 13846035, 14769104, 15824040, 18461380, 22153656, 27692070, 31648080, 36922760, 44307312, 55384140, 73845520, 110768280, 221536560]

約数ペア:

[(1, 221536560), (2, 110768280), (3, 73845520), (4, 55384140), (5, 44307312), (6, 36922760), (7, 31648080), (8, 27692070), (10, 22153656), (12, 18461380), (14, 15824040), (15, 14769104), (16, 13846035), (20, 11076828), (21, 10549360), (24, 9230690), (28, 7912020), (30, 7384552), (35, 6329616), (40, 5538414), (42, 5274680), (48, 4615345), (56, 3956010), (60, 3692276), (70, 3164808), (80, 2769207), (84, 2637340), (105, 2109872), (112, 1978005), (120, 1846138), (140, 1582404), (163, 1359120), (168, 1318670), (210, 1054936), (240, 923069), (280, 791202), (326, 679560), (336, 659335), (420, 527468), (489, 453040), (560, 395601), (652, 339780), (809, 273840), (815, 271824), (840, 263734), (978, 226520), (1141, 194160), (1304, 169890), (1618, 136920), (1630, 135912), (1680, 131867), (1956, 113260), (2282, 97080), (2427, 91280), (2445, 90608), (2608, 84945), (3236, 68460), (3260, 67956), (3423, 64720), (3912, 56630), (4045, 54768), (4564, 48540), (4854, 45640), (4890, 45304), (5663, 39120), (5705, 38832), (6472, 34230), (6520, 33978), (6846, 32360), (7824, 28315), (8090, 27384), (9128, 24270), (9708, 22820), (9780, 22652), (11326, 19560), (11410, 19416), (12135, 18256), (12944, 17115), (13040, 16989), (13692, 16180)]