285775360

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:344

約数の個数: 160

約数和(自身を含む): 764451072

約数和(自身を除く): 478675712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 277, 310, 320, 403, 416, 496, 512, 520, 554, 620, 640, 806, 832, 992, 1040, 1108, 1240, 1280, 1385, 1612, 1664, 1984, 2015, 2080, 2216, 2480, 2560, 2770, 3224, 3328, 3601, 3968, 4030, 4160, 4432, 4960, 5540, 6448, 6656, 7202, 7936, 8060, 8320, 8587, 8864, 9920, 11080, 12896, 14404, 15872, 16120, 16640, 17174, 17728, 18005, 19840, 22160, 25792, 28808, 32240, 33280, 34348, 35456, 36010, 39680, 42935, 44320, 51584, 57616, 64480, 68696, 70912, 72020, 79360, 85870, 88640, 103168, 111631, 115232, 128960, 137392, 141824, 144040, 171740, 177280, 206336, 223262, 230464, 257920, 274784, 288080, 343480, 354560, 446524, 460928, 515840, 549568, 558155, 576160, 686960, 709120, 893048, 921856, 1031680, 1099136, 1116310, 1152320, 1373920, 1786096, 1843712, 2198272, 2232620, 2304640, 2747840, 3572192, 4396544, 4465240, 4609280, 5495680, 7144384, 8930480, 9218560, 10991360, 14288768, 17860960, 21982720, 28577536, 35721920, 57155072, 71443840, 142887680, 285775360]

約数ペア:

[(1, 285775360), (2, 142887680), (4, 71443840), (5, 57155072), (8, 35721920), (10, 28577536), (13, 21982720), (16, 17860960), (20, 14288768), (26, 10991360), (31, 9218560), (32, 8930480), (40, 7144384), (52, 5495680), (62, 4609280), (64, 4465240), (65, 4396544), (80, 3572192), (104, 2747840), (124, 2304640), (128, 2232620), (130, 2198272), (155, 1843712), (160, 1786096), (208, 1373920), (248, 1152320), (256, 1116310), (260, 1099136), (277, 1031680), (310, 921856), (320, 893048), (403, 709120), (416, 686960), (496, 576160), (512, 558155), (520, 549568), (554, 515840), (620, 460928), (640, 446524), (806, 354560), (832, 343480), (992, 288080), (1040, 274784), (1108, 257920), (1240, 230464), (1280, 223262), (1385, 206336), (1612, 177280), (1664, 171740), (1984, 144040), (2015, 141824), (2080, 137392), (2216, 128960), (2480, 115232), (2560, 111631), (2770, 103168), (3224, 88640), (3328, 85870), (3601, 79360), (3968, 72020), (4030, 70912), (4160, 68696), (4432, 64480), (4960, 57616), (5540, 51584), (6448, 44320), (6656, 42935), (7202, 39680), (7936, 36010), (8060, 35456), (8320, 34348), (8587, 33280), (8864, 32240), (9920, 28808), (11080, 25792), (12896, 22160), (14404, 19840), (15872, 18005), (16120, 17728), (16640, 17174)]