17942940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1201}}^1$

素因数の和:1299

約数の個数: 72

約数和(自身を含む): 55128528

約数和(自身を除く): 37185588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1201, 1245, 1494, 1660, 2402, 2490, 2988, 3603, 3735, 4804, 4980, 6005, 7206, 7470, 10809, 12010, 14412, 14940, 18015, 21618, 24020, 36030, 43236, 54045, 72060, 99683, 108090, 199366, 216180, 299049, 398732, 498415, 598098, 897147, 996830, 1196196, 1495245, 1794294, 1993660, 2990490, 3588588, 4485735, 5980980, 8971470, 17942940]

約数ペア:

[(1, 17942940), (2, 8971470), (3, 5980980), (4, 4485735), (5, 3588588), (6, 2990490), (9, 1993660), (10, 1794294), (12, 1495245), (15, 1196196), (18, 996830), (20, 897147), (30, 598098), (36, 498415), (45, 398732), (60, 299049), (83, 216180), (90, 199366), (166, 108090), (180, 99683), (249, 72060), (332, 54045), (415, 43236), (498, 36030), (747, 24020), (830, 21618), (996, 18015), (1201, 14940), (1245, 14412), (1494, 12010), (1660, 10809), (2402, 7470), (2490, 7206), (2988, 6005), (3603, 4980), (3735, 4804)]