87901920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61043}}^1$

素因数の和:61064

約数の個数: 72

約数和(自身を含む): 299970216

約数和(自身を除く): 212068296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 61043, 122086, 183129, 244172, 305215, 366258, 488344, 549387, 610430, 732516, 915645, 976688, 1098774, 1220860, 1465032, 1831290, 1953376, 2197548, 2441720, 2746935, 2930064, 3662580, 4395096, 4883440, 5493870, 5860128, 7325160, 8790192, 9766880, 10987740, 14650320, 17580384, 21975480, 29300640, 43950960, 87901920]

約数ペア:

[(1, 87901920), (2, 43950960), (3, 29300640), (4, 21975480), (5, 17580384), (6, 14650320), (8, 10987740), (9, 9766880), (10, 8790192), (12, 7325160), (15, 5860128), (16, 5493870), (18, 4883440), (20, 4395096), (24, 3662580), (30, 2930064), (32, 2746935), (36, 2441720), (40, 2197548), (45, 1953376), (48, 1831290), (60, 1465032), (72, 1220860), (80, 1098774), (90, 976688), (96, 915645), (120, 732516), (144, 610430), (160, 549387), (180, 488344), (240, 366258), (288, 305215), (360, 244172), (480, 183129), (720, 122086), (1440, 61043)]