1640207880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10771}}^1$

素因数の和:10841

約数の個数: 160

約数和(自身を含む): 5630739840

約数和(自身を除く): 3990531960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 81, 90, 94, 108, 120, 135, 141, 162, 180, 188, 216, 235, 270, 282, 324, 360, 376, 405, 423, 470, 540, 564, 648, 705, 810, 846, 940, 1080, 1128, 1269, 1410, 1620, 1692, 1880, 2115, 2538, 2820, 3240, 3384, 3807, 4230, 5076, 5640, 6345, 7614, 8460, 10152, 10771, 12690, 15228, 16920, 19035, 21542, 25380, 30456, 32313, 38070, 43084, 50760, 53855, 64626, 76140, 86168, 96939, 107710, 129252, 152280, 161565, 193878, 215420, 258504, 290817, 323130, 387756, 430840, 484695, 506237, 581634, 646260, 775512, 872451, 969390, 1012474, 1163268, 1292520, 1454085, 1518711, 1744902, 1938780, 2024948, 2326536, 2531185, 2908170, 3037422, 3489804, 3877560, 4049896, 4362255, 4556133, 5062370, 5816340, 6074844, 6979608, 7593555, 8724510, 9112266, 10124740, 11632680, 12149688, 13668399, 15187110, 17449020, 18224532, 20249480, 22780665, 27336798, 30374220, 34898040, 36449064, 41005197, 45561330, 54673596, 60748440, 68341995, 82010394, 91122660, 109347192, 136683990, 164020788, 182245320, 205025985, 273367980, 328041576, 410051970, 546735960, 820103940, 1640207880]

約数ペア:

[(1, 1640207880), (2, 820103940), (3, 546735960), (4, 410051970), (5, 328041576), (6, 273367980), (8, 205025985), (9, 182245320), (10, 164020788), (12, 136683990), (15, 109347192), (18, 91122660), (20, 82010394), (24, 68341995), (27, 60748440), (30, 54673596), (36, 45561330), (40, 41005197), (45, 36449064), (47, 34898040), (54, 30374220), (60, 27336798), (72, 22780665), (81, 20249480), (90, 18224532), (94, 17449020), (108, 15187110), (120, 13668399), (135, 12149688), (141, 11632680), (162, 10124740), (180, 9112266), (188, 8724510), (216, 7593555), (235, 6979608), (270, 6074844), (282, 5816340), (324, 5062370), (360, 4556133), (376, 4362255), (405, 4049896), (423, 3877560), (470, 3489804), (540, 3037422), (564, 2908170), (648, 2531185), (705, 2326536), (810, 2024948), (846, 1938780), (940, 1744902), (1080, 1518711), (1128, 1454085), (1269, 1292520), (1410, 1163268), (1620, 1012474), (1692, 969390), (1880, 872451), (2115, 775512), (2538, 646260), (2820, 581634), (3240, 506237), (3384, 484695), (3807, 430840), (4230, 387756), (5076, 323130), (5640, 290817), (6345, 258504), (7614, 215420), (8460, 193878), (10152, 161565), (10771, 152280), (12690, 129252), (15228, 107710), (16920, 96939), (19035, 86168), (21542, 76140), (25380, 64626), (30456, 53855), (32313, 50760), (38070, 43084)]