12731457580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{1523}}^1$

素因数の和:1799

約数の個数: 96

約数和(自身を含む): 28102072320

約数和(自身を除く): 15370614740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 139, 155, 194, 278, 310, 388, 485, 556, 620, 695, 970, 1390, 1523, 1940, 2780, 3007, 3046, 4309, 6014, 6092, 7615, 8618, 12028, 13483, 15035, 15230, 17236, 21545, 26966, 30070, 30460, 43090, 47213, 53932, 60140, 67415, 86180, 94426, 134830, 147731, 188852, 211697, 236065, 269660, 295462, 417973, 423394, 472130, 590924, 738655, 835946, 846788, 944260, 1058485, 1477310, 1671892, 2089865, 2116970, 2954620, 4179730, 4233940, 4579661, 6562607, 8359460, 9159322, 13125214, 18318644, 20534609, 22898305, 26250428, 32813035, 41069218, 45796610, 65626070, 82138436, 91593220, 102673045, 131252140, 205346090, 410692180, 636572879, 1273145758, 2546291516, 3182864395, 6365728790, 12731457580]

約数ペア:

[(1, 12731457580), (2, 6365728790), (4, 3182864395), (5, 2546291516), (10, 1273145758), (20, 636572879), (31, 410692180), (62, 205346090), (97, 131252140), (124, 102673045), (139, 91593220), (155, 82138436), (194, 65626070), (278, 45796610), (310, 41069218), (388, 32813035), (485, 26250428), (556, 22898305), (620, 20534609), (695, 18318644), (970, 13125214), (1390, 9159322), (1523, 8359460), (1940, 6562607), (2780, 4579661), (3007, 4233940), (3046, 4179730), (4309, 2954620), (6014, 2116970), (6092, 2089865), (7615, 1671892), (8618, 1477310), (12028, 1058485), (13483, 944260), (15035, 846788), (15230, 835946), (17236, 738655), (21545, 590924), (26966, 472130), (30070, 423394), (30460, 417973), (43090, 295462), (47213, 269660), (53932, 236065), (60140, 211697), (67415, 188852), (86180, 147731), (94426, 134830)]