28742880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:508

約数の個数: 96

約数和(自身を含む): 91282464

約数和(自身を除く): 62539584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 233, 240, 257, 466, 480, 514, 699, 771, 932, 1028, 1165, 1285, 1398, 1542, 1864, 2056, 2330, 2570, 2796, 3084, 3495, 3728, 3855, 4112, 4660, 5140, 5592, 6168, 6990, 7456, 7710, 8224, 9320, 10280, 11184, 12336, 13980, 15420, 18640, 20560, 22368, 24672, 27960, 30840, 37280, 41120, 55920, 59881, 61680, 111840, 119762, 123360, 179643, 239524, 299405, 359286, 479048, 598810, 718572, 898215, 958096, 1197620, 1437144, 1796430, 1916192, 2395240, 2874288, 3592860, 4790480, 5748576, 7185720, 9580960, 14371440, 28742880]

約数ペア:

[(1, 28742880), (2, 14371440), (3, 9580960), (4, 7185720), (5, 5748576), (6, 4790480), (8, 3592860), (10, 2874288), (12, 2395240), (15, 1916192), (16, 1796430), (20, 1437144), (24, 1197620), (30, 958096), (32, 898215), (40, 718572), (48, 598810), (60, 479048), (80, 359286), (96, 299405), (120, 239524), (160, 179643), (233, 123360), (240, 119762), (257, 111840), (466, 61680), (480, 59881), (514, 55920), (699, 41120), (771, 37280), (932, 30840), (1028, 27960), (1165, 24672), (1285, 22368), (1398, 20560), (1542, 18640), (1864, 15420), (2056, 13980), (2330, 12336), (2570, 11184), (2796, 10280), (3084, 9320), (3495, 8224), (3728, 7710), (3855, 7456), (4112, 6990), (4660, 6168), (5140, 5592)]