90012520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 232243200

約数和(自身を除く): 142230680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 47, 52, 58, 65, 94, 104, 116, 127, 130, 145, 188, 232, 235, 254, 260, 290, 376, 377, 470, 508, 520, 580, 611, 635, 754, 940, 1016, 1160, 1222, 1270, 1363, 1508, 1651, 1880, 1885, 2444, 2540, 2726, 3016, 3055, 3302, 3683, 3770, 4888, 5080, 5452, 5969, 6110, 6604, 6815, 7366, 7540, 8255, 10904, 11938, 12220, 13208, 13630, 14732, 15080, 16510, 17719, 18415, 23876, 24440, 27260, 29464, 29845, 33020, 35438, 36830, 47752, 47879, 54520, 59690, 66040, 70876, 73660, 77597, 88595, 95758, 119380, 141752, 147320, 155194, 173101, 177190, 191516, 238760, 239395, 310388, 346202, 354380, 383032, 387985, 478790, 620776, 692404, 708760, 775970, 865505, 957580, 1384808, 1551940, 1731010, 1915160, 2250313, 3103880, 3462020, 4500626, 6924040, 9001252, 11251565, 18002504, 22503130, 45006260, 90012520]

約数ペア:

[(1, 90012520), (2, 45006260), (4, 22503130), (5, 18002504), (8, 11251565), (10, 9001252), (13, 6924040), (20, 4500626), (26, 3462020), (29, 3103880), (40, 2250313), (47, 1915160), (52, 1731010), (58, 1551940), (65, 1384808), (94, 957580), (104, 865505), (116, 775970), (127, 708760), (130, 692404), (145, 620776), (188, 478790), (232, 387985), (235, 383032), (254, 354380), (260, 346202), (290, 310388), (376, 239395), (377, 238760), (470, 191516), (508, 177190), (520, 173101), (580, 155194), (611, 147320), (635, 141752), (754, 119380), (940, 95758), (1016, 88595), (1160, 77597), (1222, 73660), (1270, 70876), (1363, 66040), (1508, 59690), (1651, 54520), (1880, 47879), (1885, 47752), (2444, 36830), (2540, 35438), (2726, 33020), (3016, 29845), (3055, 29464), (3302, 27260), (3683, 24440), (3770, 23876), (4888, 18415), (5080, 17719), (5452, 16510), (5969, 15080), (6110, 14732), (6604, 13630), (6815, 13208), (7366, 12220), (7540, 11938), (8255, 10904)]