309135320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:577

約数の個数: 128

約数和(自身を含む): 801964800

約数和(自身を除く): 492829480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 67, 76, 95, 104, 130, 134, 152, 190, 247, 260, 268, 335, 380, 467, 494, 520, 536, 670, 760, 871, 934, 988, 1235, 1273, 1340, 1742, 1868, 1976, 2335, 2470, 2546, 2680, 3484, 3736, 4355, 4670, 4940, 5092, 6071, 6365, 6968, 8710, 8873, 9340, 9880, 10184, 12142, 12730, 16549, 17420, 17746, 18680, 24284, 25460, 30355, 31289, 33098, 34840, 35492, 44365, 48568, 50920, 60710, 62578, 66196, 70984, 82745, 88730, 115349, 121420, 125156, 132392, 156445, 165490, 177460, 230698, 242840, 250312, 312890, 330980, 354920, 406757, 461396, 576745, 594491, 625780, 661960, 813514, 922792, 1153490, 1188982, 1251560, 1627028, 2033785, 2306980, 2377964, 2972455, 3254056, 4067570, 4613960, 4755928, 5944910, 7728383, 8135140, 11889820, 15456766, 16270280, 23779640, 30913532, 38641915, 61827064, 77283830, 154567660, 309135320]

約数ペア:

[(1, 309135320), (2, 154567660), (4, 77283830), (5, 61827064), (8, 38641915), (10, 30913532), (13, 23779640), (19, 16270280), (20, 15456766), (26, 11889820), (38, 8135140), (40, 7728383), (52, 5944910), (65, 4755928), (67, 4613960), (76, 4067570), (95, 3254056), (104, 2972455), (130, 2377964), (134, 2306980), (152, 2033785), (190, 1627028), (247, 1251560), (260, 1188982), (268, 1153490), (335, 922792), (380, 813514), (467, 661960), (494, 625780), (520, 594491), (536, 576745), (670, 461396), (760, 406757), (871, 354920), (934, 330980), (988, 312890), (1235, 250312), (1273, 242840), (1340, 230698), (1742, 177460), (1868, 165490), (1976, 156445), (2335, 132392), (2470, 125156), (2546, 121420), (2680, 115349), (3484, 88730), (3736, 82745), (4355, 70984), (4670, 66196), (4940, 62578), (5092, 60710), (6071, 50920), (6365, 48568), (6968, 44365), (8710, 35492), (8873, 34840), (9340, 33098), (9880, 31289), (10184, 30355), (12142, 25460), (12730, 24284), (16549, 18680), (17420, 17746)]