78353940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:974

約数の個数: 144

約数和(自身を含む): 264297600

約数和(自身を除く): 185943660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 70, 84, 87, 98, 105, 116, 140, 145, 147, 174, 196, 203, 210, 245, 290, 294, 348, 406, 420, 435, 490, 580, 588, 609, 735, 812, 870, 919, 980, 1015, 1218, 1421, 1470, 1740, 1838, 2030, 2436, 2757, 2842, 2940, 3045, 3676, 4060, 4263, 4595, 5514, 5684, 6090, 6433, 7105, 8526, 9190, 11028, 12180, 12866, 13785, 14210, 17052, 18380, 19299, 21315, 25732, 26651, 27570, 28420, 32165, 38598, 42630, 45031, 53302, 55140, 64330, 77196, 79953, 85260, 90062, 96495, 106604, 128660, 133255, 135093, 159906, 180124, 186557, 192990, 225155, 266510, 270186, 319812, 373114, 385980, 399765, 450310, 533020, 540372, 559671, 675465, 746228, 799530, 900620, 932785, 1119342, 1305899, 1350930, 1599060, 1865570, 2238684, 2611798, 2701860, 2798355, 3731140, 3917697, 5223596, 5596710, 6529495, 7835394, 11193420, 13058990, 15670788, 19588485, 26117980, 39176970, 78353940]

約数ペア:

[(1, 78353940), (2, 39176970), (3, 26117980), (4, 19588485), (5, 15670788), (6, 13058990), (7, 11193420), (10, 7835394), (12, 6529495), (14, 5596710), (15, 5223596), (20, 3917697), (21, 3731140), (28, 2798355), (29, 2701860), (30, 2611798), (35, 2238684), (42, 1865570), (49, 1599060), (58, 1350930), (60, 1305899), (70, 1119342), (84, 932785), (87, 900620), (98, 799530), (105, 746228), (116, 675465), (140, 559671), (145, 540372), (147, 533020), (174, 450310), (196, 399765), (203, 385980), (210, 373114), (245, 319812), (290, 270186), (294, 266510), (348, 225155), (406, 192990), (420, 186557), (435, 180124), (490, 159906), (580, 135093), (588, 133255), (609, 128660), (735, 106604), (812, 96495), (870, 90062), (919, 85260), (980, 79953), (1015, 77196), (1218, 64330), (1421, 55140), (1470, 53302), (1740, 45031), (1838, 42630), (2030, 38598), (2436, 32165), (2757, 28420), (2842, 27570), (2940, 26651), (3045, 25732), (3676, 21315), (4060, 19299), (4263, 18380), (4595, 17052), (5514, 14210), (5684, 13785), (6090, 12866), (6433, 12180), (7105, 11028), (8526, 9190)]