280495800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11987}}^1$

素因数の和:12022

約数の個数: 144

約数和(自身を含む): 1014544440

約数和(自身を除く): 734048640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 900, 936, 975, 1170, 1300, 1560, 1800, 1950, 2340, 2600, 2925, 3900, 4680, 5850, 7800, 11700, 11987, 23400, 23974, 35961, 47948, 59935, 71922, 95896, 107883, 119870, 143844, 155831, 179805, 215766, 239740, 287688, 299675, 311662, 359610, 431532, 467493, 479480, 539415, 599350, 623324, 719220, 779155, 863064, 899025, 934986, 1078830, 1198700, 1246648, 1402479, 1438440, 1558310, 1798050, 1869972, 2157660, 2337465, 2397400, 2697075, 2804958, 3116620, 3596100, 3739944, 3895775, 4315320, 4674930, 5394150, 5609916, 6233240, 7012395, 7192200, 7791550, 9349860, 10788300, 11219832, 11687325, 14024790, 15583100, 18699720, 21576600, 23374650, 28049580, 31166200, 35061975, 46749300, 56099160, 70123950, 93498600, 140247900, 280495800]

約数ペア:

[(1, 280495800), (2, 140247900), (3, 93498600), (4, 70123950), (5, 56099160), (6, 46749300), (8, 35061975), (9, 31166200), (10, 28049580), (12, 23374650), (13, 21576600), (15, 18699720), (18, 15583100), (20, 14024790), (24, 11687325), (25, 11219832), (26, 10788300), (30, 9349860), (36, 7791550), (39, 7192200), (40, 7012395), (45, 6233240), (50, 5609916), (52, 5394150), (60, 4674930), (65, 4315320), (72, 3895775), (75, 3739944), (78, 3596100), (90, 3116620), (100, 2804958), (104, 2697075), (117, 2397400), (120, 2337465), (130, 2157660), (150, 1869972), (156, 1798050), (180, 1558310), (195, 1438440), (200, 1402479), (225, 1246648), (234, 1198700), (260, 1078830), (300, 934986), (312, 899025), (325, 863064), (360, 779155), (390, 719220), (450, 623324), (468, 599350), (520, 539415), (585, 479480), (600, 467493), (650, 431532), (780, 359610), (900, 311662), (936, 299675), (975, 287688), (1170, 239740), (1300, 215766), (1560, 179805), (1800, 155831), (1950, 143844), (2340, 119870), (2600, 107883), (2925, 95896), (3900, 71922), (4680, 59935), (5850, 47948), (7800, 35961), (11700, 23974), (11987, 23400)]