204392640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{212909}}^1$

素因数の和:212929

約数の個数: 56

約数和(自身を含む): 648949680

約数和(自身を除く): 444557040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 212909, 425818, 638727, 851636, 1064545, 1277454, 1703272, 2129090, 2554908, 3193635, 3406544, 4258180, 5109816, 6387270, 6813088, 8516360, 10219632, 12774540, 13626176, 17032720, 20439264, 25549080, 34065440, 40878528, 51098160, 68130880, 102196320, 204392640]

約数ペア:

[(1, 204392640), (2, 102196320), (3, 68130880), (4, 51098160), (5, 40878528), (6, 34065440), (8, 25549080), (10, 20439264), (12, 17032720), (15, 13626176), (16, 12774540), (20, 10219632), (24, 8516360), (30, 6813088), (32, 6387270), (40, 5109816), (48, 4258180), (60, 3406544), (64, 3193635), (80, 2554908), (96, 2129090), (120, 1703272), (160, 1277454), (192, 1064545), (240, 851636), (320, 638727), (480, 425818), (960, 212909)]