257669520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{587}}^1$

素因数の和:693

約数の個数: 160

約数和(自身を含む): 839946240

約数和(自身を除く): 582276720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 59, 60, 62, 80, 93, 118, 120, 124, 155, 177, 186, 236, 240, 248, 295, 310, 354, 372, 465, 472, 496, 587, 590, 620, 708, 744, 885, 930, 944, 1174, 1180, 1240, 1416, 1488, 1761, 1770, 1829, 1860, 2348, 2360, 2480, 2832, 2935, 3522, 3540, 3658, 3720, 4696, 4720, 5487, 5870, 7044, 7080, 7316, 7440, 8805, 9145, 9392, 10974, 11740, 14088, 14160, 14632, 17610, 18197, 18290, 21948, 23480, 27435, 28176, 29264, 34633, 35220, 36394, 36580, 43896, 46960, 54591, 54870, 69266, 70440, 72788, 73160, 87792, 90985, 103899, 109182, 109740, 138532, 140880, 145576, 146320, 173165, 181970, 207798, 218364, 219480, 272955, 277064, 291152, 346330, 363940, 415596, 436728, 438960, 519495, 545910, 554128, 692660, 727880, 831192, 873456, 1038990, 1073623, 1091820, 1385320, 1455760, 1662384, 2077980, 2147246, 2183640, 2770640, 3220869, 4155960, 4294492, 4367280, 5368115, 6441738, 8311920, 8588984, 10736230, 12883476, 16104345, 17177968, 21472460, 25766952, 32208690, 42944920, 51533904, 64417380, 85889840, 128834760, 257669520]

約数ペア:

[(1, 257669520), (2, 128834760), (3, 85889840), (4, 64417380), (5, 51533904), (6, 42944920), (8, 32208690), (10, 25766952), (12, 21472460), (15, 17177968), (16, 16104345), (20, 12883476), (24, 10736230), (30, 8588984), (31, 8311920), (40, 6441738), (48, 5368115), (59, 4367280), (60, 4294492), (62, 4155960), (80, 3220869), (93, 2770640), (118, 2183640), (120, 2147246), (124, 2077980), (155, 1662384), (177, 1455760), (186, 1385320), (236, 1091820), (240, 1073623), (248, 1038990), (295, 873456), (310, 831192), (354, 727880), (372, 692660), (465, 554128), (472, 545910), (496, 519495), (587, 438960), (590, 436728), (620, 415596), (708, 363940), (744, 346330), (885, 291152), (930, 277064), (944, 272955), (1174, 219480), (1180, 218364), (1240, 207798), (1416, 181970), (1488, 173165), (1761, 146320), (1770, 145576), (1829, 140880), (1860, 138532), (2348, 109740), (2360, 109182), (2480, 103899), (2832, 90985), (2935, 87792), (3522, 73160), (3540, 72788), (3658, 70440), (3720, 69266), (4696, 54870), (4720, 54591), (5487, 46960), (5870, 43896), (7044, 36580), (7080, 36394), (7316, 35220), (7440, 34633), (8805, 29264), (9145, 28176), (9392, 27435), (10974, 23480), (11740, 21948), (14088, 18290), (14160, 18197), (14632, 17610)]