781986960

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{120677}}^1$

素因数の和:120702

約数の個数: 100

約数和(自身を含む): 2715979068

約数和(自身を除く): 1933992108

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 120677, 241354, 362031, 482708, 603385, 724062, 965416, 1086093, 1206770, 1448124, 1810155, 1930832, 2172186, 2413540, 2896248, 3258279, 3620310, 4344372, 4827080, 5430465, 5792496, 6516558, 7240620, 8688744, 9654160, 9774837, 10860930, 13033116, 14481240, 16291395, 17377488, 19549674, 21721860, 26066232, 28962480, 32582790, 39099348, 43443720, 48874185, 52132464, 65165580, 78198696, 86887440, 97748370, 130331160, 156397392, 195496740, 260662320, 390993480, 781986960]

約数ペア:

[(1, 781986960), (2, 390993480), (3, 260662320), (4, 195496740), (5, 156397392), (6, 130331160), (8, 97748370), (9, 86887440), (10, 78198696), (12, 65165580), (15, 52132464), (16, 48874185), (18, 43443720), (20, 39099348), (24, 32582790), (27, 28962480), (30, 26066232), (36, 21721860), (40, 19549674), (45, 17377488), (48, 16291395), (54, 14481240), (60, 13033116), (72, 10860930), (80, 9774837), (81, 9654160), (90, 8688744), (108, 7240620), (120, 6516558), (135, 5792496), (144, 5430465), (162, 4827080), (180, 4344372), (216, 3620310), (240, 3258279), (270, 2896248), (324, 2413540), (360, 2172186), (405, 1930832), (432, 1810155), (540, 1448124), (648, 1206770), (720, 1086093), (810, 965416), (1080, 724062), (1296, 603385), (1620, 482708), (2160, 362031), (3240, 241354), (6480, 120677)]