242520720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77731}}^1$

素因数の和:77760

約数の個数: 80

約数和(自身を含む): 809656512

約数和(自身を除く): 567135792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 77731, 155462, 233193, 310924, 388655, 466386, 621848, 777310, 932772, 1010503, 1165965, 1243696, 1554620, 1865544, 2021006, 2331930, 3031509, 3109240, 3731088, 4042012, 4663860, 5052515, 6063018, 6218480, 8084024, 9327720, 10105030, 12126036, 15157545, 16168048, 18655440, 20210060, 24252072, 30315090, 40420120, 48504144, 60630180, 80840240, 121260360, 242520720]

約数ペア:

[(1, 242520720), (2, 121260360), (3, 80840240), (4, 60630180), (5, 48504144), (6, 40420120), (8, 30315090), (10, 24252072), (12, 20210060), (13, 18655440), (15, 16168048), (16, 15157545), (20, 12126036), (24, 10105030), (26, 9327720), (30, 8084024), (39, 6218480), (40, 6063018), (48, 5052515), (52, 4663860), (60, 4042012), (65, 3731088), (78, 3109240), (80, 3031509), (104, 2331930), (120, 2021006), (130, 1865544), (156, 1554620), (195, 1243696), (208, 1165965), (240, 1010503), (260, 932772), (312, 777310), (390, 621848), (520, 466386), (624, 388655), (780, 310924), (1040, 233193), (1560, 155462), (3120, 77731)]