277521920

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:336

約数の個数: 160

約数和(自身を含む): 742452480

約数和(自身を除く): 464930560

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, 269, 310, 320, 403, 416, 496, 512, 520, 538, 620, 640, 806, 832, 992, 1040, 1076, 1240, 1280, 1345, 1612, 1664, 1984, 2015, 2080, 2152, 2480, 2560, 2690, 3224, 3328, 3497, 3968, 4030, 4160, 4304, 4960, 5380, 6448, 6656, 6994, 7936, 8060, 8320, 8339, 8608, 9920, 10760, 12896, 13988, 15872, 16120, 16640, 16678, 17216, 17485, 19840, 21520, 25792, 27976, 32240, 33280, 33356, 34432, 34970, 39680, 41695, 43040, 51584, 55952, 64480, 66712, 68864, 69940, 79360, 83390, 86080, 103168, 108407, 111904, 128960, 133424, 137728, 139880, 166780, 172160, 206336, 216814, 223808, 257920, 266848, 279760, 333560, 344320, 433628, 447616, 515840, 533696, 542035, 559520, 667120, 688640, 867256, 895232, 1031680, 1067392, 1084070, 1119040, 1334240, 1734512, 1790464, 2134784, 2168140, 2238080, 2668480, 3469024, 4269568, 4336280, 4476160, 5336960, 6938048, 8672560, 8952320, 10673920, 13876096, 17345120, 21347840, 27752192, 34690240, 55504384, 69380480, 138760960, 277521920]

約数ペア:

[(1, 277521920), (2, 138760960), (4, 69380480), (5, 55504384), (8, 34690240), (10, 27752192), (13, 21347840), (16, 17345120), (20, 13876096), (26, 10673920), (31, 8952320), (32, 8672560), (40, 6938048), (52, 5336960), (62, 4476160), (64, 4336280), (65, 4269568), (80, 3469024), (104, 2668480), (124, 2238080), (128, 2168140), (130, 2134784), (155, 1790464), (160, 1734512), (208, 1334240), (248, 1119040), (256, 1084070), (260, 1067392), (269, 1031680), (310, 895232), (320, 867256), (403, 688640), (416, 667120), (496, 559520), (512, 542035), (520, 533696), (538, 515840), (620, 447616), (640, 433628), (806, 344320), (832, 333560), (992, 279760), (1040, 266848), (1076, 257920), (1240, 223808), (1280, 216814), (1345, 206336), (1612, 172160), (1664, 166780), (1984, 139880), (2015, 137728), (2080, 133424), (2152, 128960), (2480, 111904), (2560, 108407), (2690, 103168), (3224, 86080), (3328, 83390), (3497, 79360), (3968, 69940), (4030, 68864), (4160, 66712), (4304, 64480), (4960, 55952), (5380, 51584), (6448, 43040), (6656, 41695), (6994, 39680), (7936, 34970), (8060, 34432), (8320, 33356), (8339, 33280), (8608, 32240), (9920, 27976), (10760, 25792), (12896, 21520), (13988, 19840), (15872, 17485), (16120, 17216), (16640, 16678)]