79941540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{27191}}^1$

素因数の和:27217

約数の個数: 72

約数和(自身を含む): 260390592

約数和(自身を除く): 180449052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 27191, 54382, 81573, 108764, 135955, 163146, 190337, 271910, 326292, 380674, 407865, 543820, 571011, 761348, 815730, 951685, 1142022, 1332359, 1631460, 1903370, 2284044, 2664718, 2855055, 3806740, 3997077, 5329436, 5710110, 6661795, 7994154, 11420220, 13323590, 15988308, 19985385, 26647180, 39970770, 79941540]

約数ペア:

[(1, 79941540), (2, 39970770), (3, 26647180), (4, 19985385), (5, 15988308), (6, 13323590), (7, 11420220), (10, 7994154), (12, 6661795), (14, 5710110), (15, 5329436), (20, 3997077), (21, 3806740), (28, 2855055), (30, 2664718), (35, 2284044), (42, 1903370), (49, 1631460), (60, 1332359), (70, 1142022), (84, 951685), (98, 815730), (105, 761348), (140, 571011), (147, 543820), (196, 407865), (210, 380674), (245, 326292), (294, 271910), (420, 190337), (490, 163146), (588, 135955), (735, 108764), (980, 81573), (1470, 54382), (2940, 27191)]