304785280

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:328

約数の個数: 128

約数和(自身を含む): 764192160

約数和(自身を除く): 459406880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 61, 64, 74, 80, 122, 128, 148, 160, 185, 211, 244, 296, 305, 320, 370, 422, 488, 592, 610, 640, 740, 844, 976, 1055, 1184, 1220, 1480, 1688, 1952, 2110, 2257, 2368, 2440, 2960, 3376, 3904, 4220, 4514, 4736, 4880, 5920, 6752, 7807, 7808, 8440, 9028, 9760, 11285, 11840, 12871, 13504, 15614, 16880, 18056, 19520, 22570, 23680, 25742, 27008, 31228, 33760, 36112, 39035, 39040, 45140, 51484, 62456, 64355, 67520, 72224, 78070, 90280, 102968, 124912, 128710, 135040, 144448, 156140, 180560, 205936, 249824, 257420, 288896, 312280, 361120, 411872, 476227, 499648, 514840, 624560, 722240, 823744, 952454, 999296, 1029680, 1249120, 1444480, 1647488, 1904908, 2059360, 2381135, 2498240, 3809816, 4118720, 4762270, 4996480, 7619632, 8237440, 9524540, 15239264, 19049080, 30478528, 38098160, 60957056, 76196320, 152392640, 304785280]

約数ペア:

[(1, 304785280), (2, 152392640), (4, 76196320), (5, 60957056), (8, 38098160), (10, 30478528), (16, 19049080), (20, 15239264), (32, 9524540), (37, 8237440), (40, 7619632), (61, 4996480), (64, 4762270), (74, 4118720), (80, 3809816), (122, 2498240), (128, 2381135), (148, 2059360), (160, 1904908), (185, 1647488), (211, 1444480), (244, 1249120), (296, 1029680), (305, 999296), (320, 952454), (370, 823744), (422, 722240), (488, 624560), (592, 514840), (610, 499648), (640, 476227), (740, 411872), (844, 361120), (976, 312280), (1055, 288896), (1184, 257420), (1220, 249824), (1480, 205936), (1688, 180560), (1952, 156140), (2110, 144448), (2257, 135040), (2368, 128710), (2440, 124912), (2960, 102968), (3376, 90280), (3904, 78070), (4220, 72224), (4514, 67520), (4736, 64355), (4880, 62456), (5920, 51484), (6752, 45140), (7807, 39040), (7808, 39035), (8440, 36112), (9028, 33760), (9760, 31228), (11285, 27008), (11840, 25742), (12871, 23680), (13504, 22570), (15614, 19520), (16880, 18056)]