644265160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7213}}^1$

素因数の和:7271

約数の個数: 128

約数和(自身を含む): 1869868800

約数和(自身を除く): 1225603640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 110, 116, 140, 145, 154, 203, 220, 232, 280, 290, 308, 319, 385, 406, 440, 580, 616, 638, 770, 812, 1015, 1160, 1276, 1540, 1595, 1624, 2030, 2233, 2552, 3080, 3190, 4060, 4466, 6380, 7213, 8120, 8932, 11165, 12760, 14426, 17864, 22330, 28852, 36065, 44660, 50491, 57704, 72130, 79343, 89320, 100982, 144260, 158686, 201964, 209177, 252455, 288520, 317372, 396715, 403928, 418354, 504910, 555401, 634744, 793430, 836708, 1009820, 1045885, 1110802, 1464239, 1586860, 1673416, 2019640, 2091770, 2221604, 2300947, 2777005, 2928478, 3173720, 4183540, 4443208, 4601894, 5554010, 5856956, 7321195, 8367080, 9203788, 11108020, 11504735, 11713912, 14642390, 16106629, 18407576, 22216040, 23009470, 29284780, 32213258, 46018940, 58569560, 64426516, 80533145, 92037880, 128853032, 161066290, 322132580, 644265160]

約数ペア:

[(1, 644265160), (2, 322132580), (4, 161066290), (5, 128853032), (7, 92037880), (8, 80533145), (10, 64426516), (11, 58569560), (14, 46018940), (20, 32213258), (22, 29284780), (28, 23009470), (29, 22216040), (35, 18407576), (40, 16106629), (44, 14642390), (55, 11713912), (56, 11504735), (58, 11108020), (70, 9203788), (77, 8367080), (88, 7321195), (110, 5856956), (116, 5554010), (140, 4601894), (145, 4443208), (154, 4183540), (203, 3173720), (220, 2928478), (232, 2777005), (280, 2300947), (290, 2221604), (308, 2091770), (319, 2019640), (385, 1673416), (406, 1586860), (440, 1464239), (580, 1110802), (616, 1045885), (638, 1009820), (770, 836708), (812, 793430), (1015, 634744), (1160, 555401), (1276, 504910), (1540, 418354), (1595, 403928), (1624, 396715), (2030, 317372), (2233, 288520), (2552, 252455), (3080, 209177), (3190, 201964), (4060, 158686), (4466, 144260), (6380, 100982), (7213, 89320), (8120, 79343), (8932, 72130), (11165, 57704), (12760, 50491), (14426, 44660), (17864, 36065), (22330, 28852)]