2876221520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{2339}}^1$

素因数の和:3180

約数の個数: 80

約数和(自身を含む): 7050888000

約数和(自身を除く): 4174666480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 809, 1520, 1618, 2339, 3236, 4045, 4678, 6472, 8090, 9356, 11695, 12944, 15371, 16180, 18712, 23390, 30742, 32360, 37424, 44441, 46780, 61484, 64720, 76855, 88882, 93560, 122968, 153710, 177764, 187120, 222205, 245936, 307420, 355528, 444410, 614840, 711056, 888820, 1229680, 1777640, 1892251, 3555280, 3784502, 7569004, 9461255, 15138008, 18922510, 30276016, 35952769, 37845020, 71905538, 75690040, 143811076, 151380080, 179763845, 287622152, 359527690, 575244304, 719055380, 1438110760, 2876221520]

約数ペア:

[(1, 2876221520), (2, 1438110760), (4, 719055380), (5, 575244304), (8, 359527690), (10, 287622152), (16, 179763845), (19, 151380080), (20, 143811076), (38, 75690040), (40, 71905538), (76, 37845020), (80, 35952769), (95, 30276016), (152, 18922510), (190, 15138008), (304, 9461255), (380, 7569004), (760, 3784502), (809, 3555280), (1520, 1892251), (1618, 1777640), (2339, 1229680), (3236, 888820), (4045, 711056), (4678, 614840), (6472, 444410), (8090, 355528), (9356, 307420), (11695, 245936), (12944, 222205), (15371, 187120), (16180, 177764), (18712, 153710), (23390, 122968), (30742, 93560), (32360, 88882), (37424, 76855), (44441, 64720), (46780, 61484)]