287706960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{977}}^1$

素因数の和:1405

約数の個数: 120

約数和(自身を含む): 969569640

約数和(自身を除く): 681862680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 409, 720, 818, 977, 1227, 1636, 1954, 2045, 2454, 2931, 3272, 3681, 3908, 4090, 4885, 4908, 5862, 6135, 6544, 7362, 7816, 8180, 8793, 9770, 9816, 11724, 12270, 14655, 14724, 15632, 16360, 17586, 18405, 19540, 19632, 23448, 24540, 29310, 29448, 32720, 35172, 36810, 39080, 43965, 46896, 49080, 58620, 58896, 70344, 73620, 78160, 87930, 98160, 117240, 140688, 147240, 175860, 234480, 294480, 351720, 399593, 703440, 799186, 1198779, 1598372, 1997965, 2397558, 3196744, 3596337, 3995930, 4795116, 5993895, 6393488, 7192674, 7991860, 9590232, 11987790, 14385348, 15983720, 17981685, 19180464, 23975580, 28770696, 31967440, 35963370, 47951160, 57541392, 71926740, 95902320, 143853480, 287706960]

約数ペア:

[(1, 287706960), (2, 143853480), (3, 95902320), (4, 71926740), (5, 57541392), (6, 47951160), (8, 35963370), (9, 31967440), (10, 28770696), (12, 23975580), (15, 19180464), (16, 17981685), (18, 15983720), (20, 14385348), (24, 11987790), (30, 9590232), (36, 7991860), (40, 7192674), (45, 6393488), (48, 5993895), (60, 4795116), (72, 3995930), (80, 3596337), (90, 3196744), (120, 2397558), (144, 1997965), (180, 1598372), (240, 1198779), (360, 799186), (409, 703440), (720, 399593), (818, 351720), (977, 294480), (1227, 234480), (1636, 175860), (1954, 147240), (2045, 140688), (2454, 117240), (2931, 98160), (3272, 87930), (3681, 78160), (3908, 73620), (4090, 70344), (4885, 58896), (4908, 58620), (5862, 49080), (6135, 46896), (6544, 43965), (7362, 39080), (7816, 36810), (8180, 35172), (8793, 32720), (9770, 29448), (9816, 29310), (11724, 24540), (12270, 23448), (14655, 19632), (14724, 19540), (15632, 18405), (16360, 17586)]