72391590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1361}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 194166720

約数和(自身を除く): 121775130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 197, 270, 394, 591, 985, 1182, 1361, 1773, 1970, 2722, 2955, 3546, 4083, 5319, 5910, 6805, 8166, 8865, 10638, 12249, 13610, 17730, 20415, 24498, 26595, 36747, 40830, 53190, 61245, 73494, 122490, 183735, 268117, 367470, 536234, 804351, 1340585, 1608702, 2413053, 2681170, 4021755, 4826106, 7239159, 8043510, 12065265, 14478318, 24130530, 36195795, 72391590]

約数ペア:

[(1, 72391590), (2, 36195795), (3, 24130530), (5, 14478318), (6, 12065265), (9, 8043510), (10, 7239159), (15, 4826106), (18, 4021755), (27, 2681170), (30, 2413053), (45, 1608702), (54, 1340585), (90, 804351), (135, 536234), (197, 367470), (270, 268117), (394, 183735), (591, 122490), (985, 73494), (1182, 61245), (1361, 53190), (1773, 40830), (1970, 36747), (2722, 26595), (2955, 24498), (3546, 20415), (4083, 17730), (5319, 13610), (5910, 12249), (6805, 10638), (8166, 8865)]