90510520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1$

素因数の和:916

約数の個数: 64

約数和(自身を含む): 214410240

約数和(自身を除く): 123899720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 131, 184, 230, 262, 460, 524, 655, 751, 920, 1048, 1310, 1502, 2620, 3004, 3013, 3755, 5240, 6008, 6026, 7510, 12052, 15020, 15065, 17273, 24104, 30040, 30130, 34546, 60260, 69092, 86365, 98381, 120520, 138184, 172730, 196762, 345460, 393524, 491905, 690920, 787048, 983810, 1967620, 2262763, 3935240, 4525526, 9051052, 11313815, 18102104, 22627630, 45255260, 90510520]

約数ペア:

[(1, 90510520), (2, 45255260), (4, 22627630), (5, 18102104), (8, 11313815), (10, 9051052), (20, 4525526), (23, 3935240), (40, 2262763), (46, 1967620), (92, 983810), (115, 787048), (131, 690920), (184, 491905), (230, 393524), (262, 345460), (460, 196762), (524, 172730), (655, 138184), (751, 120520), (920, 98381), (1048, 86365), (1310, 69092), (1502, 60260), (2620, 34546), (3004, 30130), (3013, 30040), (3755, 24104), (5240, 17273), (6008, 15065), (6026, 15020), (7510, 12052)]