640966968

素因数分解:

$2^3\times 3^2\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{367}}^1$

素因数の和:697

約数の個数: 96

約数和(自身を含む): 1763573760

約数和(自身を除く): 1122606792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 127, 191, 254, 367, 381, 382, 508, 573, 734, 762, 764, 1016, 1101, 1143, 1146, 1468, 1524, 1528, 1719, 2202, 2286, 2292, 2936, 3048, 3303, 3438, 4404, 4572, 4584, 6606, 6876, 8808, 9144, 13212, 13752, 24257, 26424, 46609, 48514, 70097, 72771, 93218, 97028, 139827, 140194, 145542, 186436, 194056, 210291, 218313, 279654, 280388, 291084, 372872, 419481, 420582, 436626, 559308, 560776, 582168, 630873, 838962, 841164, 873252, 1118616, 1261746, 1677924, 1682328, 1746504, 2523492, 3355848, 5046984, 8902319, 17804638, 26706957, 35609276, 53413914, 71218552, 80120871, 106827828, 160241742, 213655656, 320483484, 640966968]

約数ペア:

[(1, 640966968), (2, 320483484), (3, 213655656), (4, 160241742), (6, 106827828), (8, 80120871), (9, 71218552), (12, 53413914), (18, 35609276), (24, 26706957), (36, 17804638), (72, 8902319), (127, 5046984), (191, 3355848), (254, 2523492), (367, 1746504), (381, 1682328), (382, 1677924), (508, 1261746), (573, 1118616), (734, 873252), (762, 841164), (764, 838962), (1016, 630873), (1101, 582168), (1143, 560776), (1146, 559308), (1468, 436626), (1524, 420582), (1528, 419481), (1719, 372872), (2202, 291084), (2286, 280388), (2292, 279654), (2936, 218313), (3048, 210291), (3303, 194056), (3438, 186436), (4404, 145542), (4572, 140194), (4584, 139827), (6606, 97028), (6876, 93218), (8808, 72771), (9144, 70097), (13212, 48514), (13752, 46609), (24257, 26424)]