266761820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1515

約数の個数: 96

約数和(自身を含む): 650280960

約数和(自身を除く): 383519140

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 31, 46, 52, 62, 65, 92, 115, 124, 130, 155, 230, 260, 299, 310, 403, 460, 598, 620, 713, 806, 1196, 1426, 1439, 1495, 1612, 2015, 2852, 2878, 2990, 3565, 4030, 5756, 5980, 7130, 7195, 8060, 9269, 14260, 14390, 18538, 18707, 28780, 33097, 37076, 37414, 44609, 46345, 66194, 74828, 89218, 92690, 93535, 132388, 165485, 178436, 185380, 187070, 223045, 330970, 374140, 430261, 446090, 579917, 661940, 860522, 892180, 1026007, 1159834, 1721044, 2052014, 2151305, 2319668, 2899585, 4104028, 4302610, 5130035, 5799170, 8605220, 10260070, 11598340, 13338091, 20520140, 26676182, 53352364, 66690455, 133380910, 266761820]

約数ペア:

[(1, 266761820), (2, 133380910), (4, 66690455), (5, 53352364), (10, 26676182), (13, 20520140), (20, 13338091), (23, 11598340), (26, 10260070), (31, 8605220), (46, 5799170), (52, 5130035), (62, 4302610), (65, 4104028), (92, 2899585), (115, 2319668), (124, 2151305), (130, 2052014), (155, 1721044), (230, 1159834), (260, 1026007), (299, 892180), (310, 860522), (403, 661940), (460, 579917), (598, 446090), (620, 430261), (713, 374140), (806, 330970), (1196, 223045), (1426, 187070), (1439, 185380), (1495, 178436), (1612, 165485), (2015, 132388), (2852, 93535), (2878, 92690), (2990, 89218), (3565, 74828), (4030, 66194), (5756, 46345), (5980, 44609), (7130, 37414), (7195, 37076), (8060, 33097), (9269, 28780), (14260, 18707), (14390, 18538)]