72170520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4591}}^1$

素因数の和:4736

約数の個数: 64

約数和(自身を含む): 218211840

約数和(自身を除く): 146041320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 4591, 5240, 7860, 9182, 13773, 15720, 18364, 22955, 27546, 36728, 45910, 55092, 68865, 91820, 110184, 137730, 183640, 275460, 550920, 601421, 1202842, 1804263, 2405684, 3007105, 3608526, 4811368, 6014210, 7217052, 9021315, 12028420, 14434104, 18042630, 24056840, 36085260, 72170520]

約数ペア:

[(1, 72170520), (2, 36085260), (3, 24056840), (4, 18042630), (5, 14434104), (6, 12028420), (8, 9021315), (10, 7217052), (12, 6014210), (15, 4811368), (20, 3608526), (24, 3007105), (30, 2405684), (40, 1804263), (60, 1202842), (120, 601421), (131, 550920), (262, 275460), (393, 183640), (524, 137730), (655, 110184), (786, 91820), (1048, 68865), (1310, 55092), (1572, 45910), (1965, 36728), (2620, 27546), (3144, 22955), (3930, 18364), (4591, 15720), (5240, 13773), (7860, 9182)]