215614920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:583

約数の個数: 128

約数和(自身を含む): 673920000

約数和(自身を除く): 458305080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 149, 155, 186, 248, 298, 310, 372, 389, 447, 465, 596, 620, 744, 745, 778, 894, 930, 1167, 1192, 1240, 1490, 1556, 1788, 1860, 1945, 2235, 2334, 2980, 3112, 3576, 3720, 3890, 4470, 4619, 4668, 5835, 5960, 7780, 8940, 9238, 9336, 11670, 12059, 13857, 15560, 17880, 18476, 23095, 23340, 24118, 27714, 36177, 36952, 46190, 46680, 48236, 55428, 57961, 60295, 69285, 72354, 92380, 96472, 110856, 115922, 120590, 138570, 144708, 173883, 180885, 184760, 231844, 241180, 277140, 289416, 289805, 347766, 361770, 463688, 482360, 554280, 579610, 695532, 723540, 869415, 1159220, 1391064, 1447080, 1738830, 1796791, 2318440, 3477660, 3593582, 5390373, 6955320, 7187164, 8983955, 10780746, 14374328, 17967910, 21561492, 26951865, 35935820, 43122984, 53903730, 71871640, 107807460, 215614920]

約数ペア:

[(1, 215614920), (2, 107807460), (3, 71871640), (4, 53903730), (5, 43122984), (6, 35935820), (8, 26951865), (10, 21561492), (12, 17967910), (15, 14374328), (20, 10780746), (24, 8983955), (30, 7187164), (31, 6955320), (40, 5390373), (60, 3593582), (62, 3477660), (93, 2318440), (120, 1796791), (124, 1738830), (149, 1447080), (155, 1391064), (186, 1159220), (248, 869415), (298, 723540), (310, 695532), (372, 579610), (389, 554280), (447, 482360), (465, 463688), (596, 361770), (620, 347766), (744, 289805), (745, 289416), (778, 277140), (894, 241180), (930, 231844), (1167, 184760), (1192, 180885), (1240, 173883), (1490, 144708), (1556, 138570), (1788, 120590), (1860, 115922), (1945, 110856), (2235, 96472), (2334, 92380), (2980, 72354), (3112, 69285), (3576, 60295), (3720, 57961), (3890, 55428), (4470, 48236), (4619, 46680), (4668, 46190), (5835, 36952), (5960, 36177), (7780, 27714), (8940, 24118), (9238, 23340), (9336, 23095), (11670, 18476), (12059, 17880), (13857, 15560)]