390663520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3079}}^1$

素因数の和:3168

約数の個数: 96

約数和(自身を含む): 1010560320

約数和(自身を除く): 619896800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 65, 80, 104, 122, 130, 160, 208, 244, 260, 305, 416, 488, 520, 610, 793, 976, 1040, 1220, 1586, 1952, 2080, 2440, 3079, 3172, 3965, 4880, 6158, 6344, 7930, 9760, 12316, 12688, 15395, 15860, 24632, 25376, 30790, 31720, 40027, 49264, 61580, 63440, 80054, 98528, 123160, 126880, 160108, 187819, 200135, 246320, 320216, 375638, 400270, 492640, 640432, 751276, 800540, 939095, 1280864, 1502552, 1601080, 1878190, 2441647, 3005104, 3202160, 3756380, 4883294, 6010208, 6404320, 7512760, 9766588, 12208235, 15025520, 19533176, 24416470, 30051040, 39066352, 48832940, 78132704, 97665880, 195331760, 390663520]

約数ペア:

[(1, 390663520), (2, 195331760), (4, 97665880), (5, 78132704), (8, 48832940), (10, 39066352), (13, 30051040), (16, 24416470), (20, 19533176), (26, 15025520), (32, 12208235), (40, 9766588), (52, 7512760), (61, 6404320), (65, 6010208), (80, 4883294), (104, 3756380), (122, 3202160), (130, 3005104), (160, 2441647), (208, 1878190), (244, 1601080), (260, 1502552), (305, 1280864), (416, 939095), (488, 800540), (520, 751276), (610, 640432), (793, 492640), (976, 400270), (1040, 375638), (1220, 320216), (1586, 246320), (1952, 200135), (2080, 187819), (2440, 160108), (3079, 126880), (3172, 123160), (3965, 98528), (4880, 80054), (6158, 63440), (6344, 61580), (7930, 49264), (9760, 40027), (12316, 31720), (12688, 30790), (15395, 25376), (15860, 24632)]