201801420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18379}}^1$

素因数の和:18455

約数の個数: 72

約数和(自身を含む): 622199760

約数和(自身を除く): 420398340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 18379, 36758, 55137, 73516, 91895, 110274, 165411, 183790, 220548, 275685, 330822, 367580, 551370, 661644, 827055, 1102740, 1121119, 1654110, 2242238, 3308220, 3363357, 4484476, 5605595, 6726714, 10090071, 11211190, 13453428, 16816785, 20180142, 22422380, 33633570, 40360284, 50450355, 67267140, 100900710, 201801420]

約数ペア:

[(1, 201801420), (2, 100900710), (3, 67267140), (4, 50450355), (5, 40360284), (6, 33633570), (9, 22422380), (10, 20180142), (12, 16816785), (15, 13453428), (18, 11211190), (20, 10090071), (30, 6726714), (36, 5605595), (45, 4484476), (60, 3363357), (61, 3308220), (90, 2242238), (122, 1654110), (180, 1121119), (183, 1102740), (244, 827055), (305, 661644), (366, 551370), (549, 367580), (610, 330822), (732, 275685), (915, 220548), (1098, 183790), (1220, 165411), (1830, 110274), (2196, 91895), (2745, 73516), (3660, 55137), (5490, 36758), (10980, 18379)]