1216967580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{81457}}^1$

素因数の和:81555

約数の個数: 72

約数和(自身を含む): 3735989712

約数和(自身を除く): 2519022132

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, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 14940, 81457, 162914, 244371, 325828, 407285, 488742, 733113, 814570, 977484, 1221855, 1466226, 1629140, 2443710, 2932452, 3665565, 4887420, 6760931, 7331130, 13521862, 14662260, 20282793, 27043724, 33804655, 40565586, 60848379, 67609310, 81131172, 101413965, 121696758, 135218620, 202827930, 243393516, 304241895, 405655860, 608483790, 1216967580]

約数ペア:

[(1, 1216967580), (2, 608483790), (3, 405655860), (4, 304241895), (5, 243393516), (6, 202827930), (9, 135218620), (10, 121696758), (12, 101413965), (15, 81131172), (18, 67609310), (20, 60848379), (30, 40565586), (36, 33804655), (45, 27043724), (60, 20282793), (83, 14662260), (90, 13521862), (166, 7331130), (180, 6760931), (249, 4887420), (332, 3665565), (415, 2932452), (498, 2443710), (747, 1629140), (830, 1466226), (996, 1221855), (1245, 977484), (1494, 814570), (1660, 733113), (2490, 488742), (2988, 407285), (3735, 325828), (4980, 244371), (7470, 162914), (14940, 81457)]