8520240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 26712576

約数和(自身を除く): 18192336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 271, 393, 524, 542, 655, 786, 813, 1048, 1084, 1310, 1355, 1572, 1626, 1965, 2096, 2168, 2620, 2710, 3144, 3252, 3930, 4065, 4336, 5240, 5420, 6288, 6504, 7860, 8130, 10480, 10840, 13008, 15720, 16260, 21680, 31440, 32520, 35501, 65040, 71002, 106503, 142004, 177505, 213006, 284008, 355010, 426012, 532515, 568016, 710020, 852024, 1065030, 1420040, 1704048, 2130060, 2840080, 4260120, 8520240]

約数ペア:

[(1, 8520240), (2, 4260120), (3, 2840080), (4, 2130060), (5, 1704048), (6, 1420040), (8, 1065030), (10, 852024), (12, 710020), (15, 568016), (16, 532515), (20, 426012), (24, 355010), (30, 284008), (40, 213006), (48, 177505), (60, 142004), (80, 106503), (120, 71002), (131, 65040), (240, 35501), (262, 32520), (271, 31440), (393, 21680), (524, 16260), (542, 15720), (655, 13008), (786, 10840), (813, 10480), (1048, 8130), (1084, 7860), (1310, 6504), (1355, 6288), (1572, 5420), (1626, 5240), (1965, 4336), (2096, 4065), (2168, 3930), (2620, 3252), (2710, 3144)]