90947640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{108271}}^1$

素因数の和:108292

約数の個数: 64

約数和(自身を含む): 311823360

約数和(自身を除く): 220875720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 108271, 216542, 324813, 433084, 541355, 649626, 757897, 866168, 1082710, 1299252, 1515794, 1624065, 2165420, 2273691, 2598504, 3031588, 3248130, 3789485, 4330840, 4547382, 6063176, 6496260, 7578970, 9094764, 11368455, 12992520, 15157940, 18189528, 22736910, 30315880, 45473820, 90947640]

約数ペア:

[(1, 90947640), (2, 45473820), (3, 30315880), (4, 22736910), (5, 18189528), (6, 15157940), (7, 12992520), (8, 11368455), (10, 9094764), (12, 7578970), (14, 6496260), (15, 6063176), (20, 4547382), (21, 4330840), (24, 3789485), (28, 3248130), (30, 3031588), (35, 2598504), (40, 2273691), (42, 2165420), (56, 1624065), (60, 1515794), (70, 1299252), (84, 1082710), (105, 866168), (120, 757897), (140, 649626), (168, 541355), (210, 433084), (280, 324813), (420, 216542), (840, 108271)]