15798640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1418

約数の個数: 80

約数和(自身を含む): 43184736

約数和(自身を除く): 27386096

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1381, 1430, 2288, 2762, 2860, 5524, 5720, 6905, 11048, 11440, 13810, 15191, 17953, 22096, 27620, 30382, 35906, 55240, 60764, 71812, 75955, 89765, 110480, 121528, 143624, 151910, 179530, 197483, 243056, 287248, 303820, 359060, 394966, 607640, 718120, 789932, 987415, 1215280, 1436240, 1579864, 1974830, 3159728, 3949660, 7899320, 15798640]

約数ペア:

[(1, 15798640), (2, 7899320), (4, 3949660), (5, 3159728), (8, 1974830), (10, 1579864), (11, 1436240), (13, 1215280), (16, 987415), (20, 789932), (22, 718120), (26, 607640), (40, 394966), (44, 359060), (52, 303820), (55, 287248), (65, 243056), (80, 197483), (88, 179530), (104, 151910), (110, 143624), (130, 121528), (143, 110480), (176, 89765), (208, 75955), (220, 71812), (260, 60764), (286, 55240), (440, 35906), (520, 30382), (572, 27620), (715, 22096), (880, 17953), (1040, 15191), (1144, 13810), (1381, 11440), (1430, 11048), (2288, 6905), (2762, 5720), (2860, 5524)]