2018395120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{499}}^1$

素因数の和:783

約数の個数: 160

約数和(自身を含む): 5571072000

約数和(自身を除く): 3552676880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 233, 248, 280, 310, 434, 466, 496, 499, 560, 620, 868, 932, 998, 1085, 1165, 1240, 1631, 1736, 1864, 1996, 2170, 2330, 2480, 2495, 3262, 3472, 3493, 3728, 3992, 4340, 4660, 4990, 6524, 6986, 7223, 7984, 8155, 8680, 9320, 9980, 13048, 13972, 14446, 15469, 16310, 17360, 17465, 18640, 19960, 26096, 27944, 28892, 30938, 32620, 34930, 36115, 39920, 50561, 55888, 57784, 61876, 65240, 69860, 72230, 77345, 101122, 108283, 115568, 116267, 123752, 130480, 139720, 144460, 154690, 202244, 216566, 232534, 247504, 252805, 279440, 288920, 309380, 404488, 433132, 465068, 505610, 541415, 577840, 581335, 618760, 808976, 813869, 866264, 930136, 1011220, 1082830, 1162670, 1237520, 1627738, 1732528, 1860272, 2022440, 2165660, 2325340, 3255476, 3604277, 4044880, 4069345, 4331320, 4650680, 6510952, 7208554, 8138690, 8662640, 9301360, 13021904, 14417108, 16277380, 18021385, 25229939, 28834216, 32554760, 36042770, 50459878, 57668432, 65109520, 72085540, 100919756, 126149695, 144171080, 201839512, 252299390, 288342160, 403679024, 504598780, 1009197560, 2018395120]

約数ペア:

[(1, 2018395120), (2, 1009197560), (4, 504598780), (5, 403679024), (7, 288342160), (8, 252299390), (10, 201839512), (14, 144171080), (16, 126149695), (20, 100919756), (28, 72085540), (31, 65109520), (35, 57668432), (40, 50459878), (56, 36042770), (62, 32554760), (70, 28834216), (80, 25229939), (112, 18021385), (124, 16277380), (140, 14417108), (155, 13021904), (217, 9301360), (233, 8662640), (248, 8138690), (280, 7208554), (310, 6510952), (434, 4650680), (466, 4331320), (496, 4069345), (499, 4044880), (560, 3604277), (620, 3255476), (868, 2325340), (932, 2165660), (998, 2022440), (1085, 1860272), (1165, 1732528), (1240, 1627738), (1631, 1237520), (1736, 1162670), (1864, 1082830), (1996, 1011220), (2170, 930136), (2330, 866264), (2480, 813869), (2495, 808976), (3262, 618760), (3472, 581335), (3493, 577840), (3728, 541415), (3992, 505610), (4340, 465068), (4660, 433132), (4990, 404488), (6524, 309380), (6986, 288920), (7223, 279440), (7984, 252805), (8155, 247504), (8680, 232534), (9320, 216566), (9980, 202244), (13048, 154690), (13972, 144460), (14446, 139720), (15469, 130480), (16310, 123752), (17360, 116267), (17465, 115568), (18640, 108283), (19960, 101122), (26096, 77345), (27944, 72230), (28892, 69860), (30938, 65240), (32620, 61876), (34930, 57784), (36115, 55888), (39920, 50561)]