65561220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{797}}^1$

素因数の和:1269

約数の個数: 72

約数和(自身を含む): 199554264

約数和(自身を除く): 133993044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 457, 797, 914, 1371, 1594, 1828, 2285, 2391, 2742, 3188, 3985, 4113, 4570, 4782, 5484, 6855, 7173, 7970, 8226, 9140, 9564, 11955, 13710, 14346, 15940, 16452, 20565, 23910, 27420, 28692, 35865, 41130, 47820, 71730, 82260, 143460, 364229, 728458, 1092687, 1456916, 1821145, 2185374, 3278061, 3642290, 4370748, 5463435, 6556122, 7284580, 10926870, 13112244, 16390305, 21853740, 32780610, 65561220]

約数ペア:

[(1, 65561220), (2, 32780610), (3, 21853740), (4, 16390305), (5, 13112244), (6, 10926870), (9, 7284580), (10, 6556122), (12, 5463435), (15, 4370748), (18, 3642290), (20, 3278061), (30, 2185374), (36, 1821145), (45, 1456916), (60, 1092687), (90, 728458), (180, 364229), (457, 143460), (797, 82260), (914, 71730), (1371, 47820), (1594, 41130), (1828, 35865), (2285, 28692), (2391, 27420), (2742, 23910), (3188, 20565), (3985, 16452), (4113, 15940), (4570, 14346), (4782, 13710), (5484, 11955), (6855, 9564), (7173, 9140), (7970, 8226)]