280566120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 875520000

約数和(自身を除く): 594953880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 199, 248, 310, 372, 379, 398, 465, 597, 620, 744, 758, 796, 930, 995, 1137, 1194, 1240, 1516, 1592, 1860, 1895, 1990, 2274, 2388, 2985, 3032, 3720, 3790, 3980, 4548, 4776, 5685, 5970, 6169, 7580, 7960, 9096, 11370, 11749, 11940, 12338, 15160, 18507, 22740, 23498, 23880, 24676, 30845, 35247, 37014, 45480, 46996, 49352, 58745, 61690, 70494, 74028, 75421, 92535, 93992, 117490, 123380, 140988, 148056, 150842, 176235, 185070, 226263, 234980, 246760, 281976, 301684, 352470, 370140, 377105, 452526, 469960, 603368, 704940, 740280, 754210, 905052, 1131315, 1409880, 1508420, 1810104, 2262630, 2338051, 3016840, 4525260, 4676102, 7014153, 9050520, 9352204, 11690255, 14028306, 18704408, 23380510, 28056612, 35070765, 46761020, 56113224, 70141530, 93522040, 140283060, 280566120]

約数ペア:

[(1, 280566120), (2, 140283060), (3, 93522040), (4, 70141530), (5, 56113224), (6, 46761020), (8, 35070765), (10, 28056612), (12, 23380510), (15, 18704408), (20, 14028306), (24, 11690255), (30, 9352204), (31, 9050520), (40, 7014153), (60, 4676102), (62, 4525260), (93, 3016840), (120, 2338051), (124, 2262630), (155, 1810104), (186, 1508420), (199, 1409880), (248, 1131315), (310, 905052), (372, 754210), (379, 740280), (398, 704940), (465, 603368), (597, 469960), (620, 452526), (744, 377105), (758, 370140), (796, 352470), (930, 301684), (995, 281976), (1137, 246760), (1194, 234980), (1240, 226263), (1516, 185070), (1592, 176235), (1860, 150842), (1895, 148056), (1990, 140988), (2274, 123380), (2388, 117490), (2985, 93992), (3032, 92535), (3720, 75421), (3790, 74028), (3980, 70494), (4548, 61690), (4776, 58745), (5685, 49352), (5970, 46996), (6169, 45480), (7580, 37014), (7960, 35247), (9096, 30845), (11370, 24676), (11749, 23880), (11940, 23498), (12338, 22740), (15160, 18507)]