642024180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{509543}}^1$

素因数の和:509565

約数の個数: 72

約数和(自身を含む): 2225688192

約数和(自身を除く): 1583664012

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 509543, 1019086, 1528629, 2038172, 2547715, 3057258, 3566801, 4585887, 5095430, 6114516, 7133602, 7643145, 9171774, 10190860, 10700403, 14267204, 15286290, 17834005, 18343548, 21400806, 22929435, 30572580, 32101209, 35668010, 42801612, 45858870, 53502015, 64202418, 71336020, 91717740, 107004030, 128404836, 160506045, 214008060, 321012090, 642024180]

約数ペア:

[(1, 642024180), (2, 321012090), (3, 214008060), (4, 160506045), (5, 128404836), (6, 107004030), (7, 91717740), (9, 71336020), (10, 64202418), (12, 53502015), (14, 45858870), (15, 42801612), (18, 35668010), (20, 32101209), (21, 30572580), (28, 22929435), (30, 21400806), (35, 18343548), (36, 17834005), (42, 15286290), (45, 14267204), (60, 10700403), (63, 10190860), (70, 9171774), (84, 7643145), (90, 7133602), (105, 6114516), (126, 5095430), (140, 4585887), (180, 3566801), (210, 3057258), (252, 2547715), (315, 2038172), (420, 1528629), (630, 1019086), (1260, 509543)]