204393840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1367}}^1$

素因数の和:1479

約数の個数: 160

約数和(自身を含む): 732810240

約数和(自身を除く): 528416400

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, 89, 105, 112, 120, 140, 168, 178, 210, 240, 267, 280, 336, 356, 420, 445, 534, 560, 623, 712, 840, 890, 1068, 1246, 1335, 1367, 1424, 1680, 1780, 1869, 2136, 2492, 2670, 2734, 3115, 3560, 3738, 4101, 4272, 4984, 5340, 5468, 6230, 6835, 7120, 7476, 8202, 9345, 9569, 9968, 10680, 10936, 12460, 13670, 14952, 16404, 18690, 19138, 20505, 21360, 21872, 24920, 27340, 28707, 29904, 32808, 37380, 38276, 41010, 47845, 49840, 54680, 57414, 65616, 74760, 76552, 82020, 95690, 109360, 114828, 121663, 143535, 149520, 153104, 164040, 191380, 229656, 243326, 287070, 328080, 364989, 382760, 459312, 486652, 574140, 608315, 729978, 765520, 851641, 973304, 1148280, 1216630, 1459956, 1703282, 1824945, 1946608, 2296560, 2433260, 2554923, 2919912, 3406564, 3649890, 4258205, 4866520, 5109846, 5839824, 6813128, 7299780, 8516410, 9733040, 10219692, 12774615, 13626256, 14599560, 17032820, 20439384, 25549230, 29199120, 34065640, 40878768, 51098460, 68131280, 102196920, 204393840]

約数ペア:

[(1, 204393840), (2, 102196920), (3, 68131280), (4, 51098460), (5, 40878768), (6, 34065640), (7, 29199120), (8, 25549230), (10, 20439384), (12, 17032820), (14, 14599560), (15, 13626256), (16, 12774615), (20, 10219692), (21, 9733040), (24, 8516410), (28, 7299780), (30, 6813128), (35, 5839824), (40, 5109846), (42, 4866520), (48, 4258205), (56, 3649890), (60, 3406564), (70, 2919912), (80, 2554923), (84, 2433260), (89, 2296560), (105, 1946608), (112, 1824945), (120, 1703282), (140, 1459956), (168, 1216630), (178, 1148280), (210, 973304), (240, 851641), (267, 765520), (280, 729978), (336, 608315), (356, 574140), (420, 486652), (445, 459312), (534, 382760), (560, 364989), (623, 328080), (712, 287070), (840, 243326), (890, 229656), (1068, 191380), (1246, 164040), (1335, 153104), (1367, 149520), (1424, 143535), (1680, 121663), (1780, 114828), (1869, 109360), (2136, 95690), (2492, 82020), (2670, 76552), (2734, 74760), (3115, 65616), (3560, 57414), (3738, 54680), (4101, 49840), (4272, 47845), (4984, 41010), (5340, 38276), (5468, 37380), (6230, 32808), (6835, 29904), (7120, 28707), (7476, 27340), (8202, 24920), (9345, 21872), (9569, 21360), (9968, 20505), (10680, 19138), (10936, 18690), (12460, 16404), (13670, 14952)]