18668421760

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{2273}}^1$

素因数の和:2646

約数の個数: 128

約数和(自身を含む): 45883953360

約数和(自身を除く): 27215531600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 313, 320, 328, 410, 626, 640, 656, 820, 1252, 1312, 1565, 1640, 2273, 2504, 2624, 3130, 3280, 4546, 5008, 5248, 6260, 6560, 9092, 10016, 11365, 12520, 12833, 13120, 18184, 20032, 22730, 25040, 25666, 26240, 36368, 40064, 45460, 50080, 51332, 64165, 72736, 90920, 93193, 100160, 102664, 128330, 145472, 181840, 186386, 200320, 205328, 256660, 290944, 363680, 372772, 410656, 465965, 513320, 711449, 727360, 745544, 821312, 931930, 1026640, 1422898, 1454720, 1491088, 1642624, 1863860, 2053280, 2845796, 2982176, 3557245, 3727720, 4106560, 5691592, 5964352, 7114490, 7455440, 8213120, 11383184, 11928704, 14228980, 14910880, 22766368, 28457960, 29169409, 29821760, 45532736, 56915920, 58338818, 59643520, 91065472, 113831840, 116677636, 145847045, 227663680, 233355272, 291694090, 455327360, 466710544, 583388180, 933421088, 1166776360, 1866842176, 2333552720, 3733684352, 4667105440, 9334210880, 18668421760]

約数ペア:

[(1, 18668421760), (2, 9334210880), (4, 4667105440), (5, 3733684352), (8, 2333552720), (10, 1866842176), (16, 1166776360), (20, 933421088), (32, 583388180), (40, 466710544), (41, 455327360), (64, 291694090), (80, 233355272), (82, 227663680), (128, 145847045), (160, 116677636), (164, 113831840), (205, 91065472), (313, 59643520), (320, 58338818), (328, 56915920), (410, 45532736), (626, 29821760), (640, 29169409), (656, 28457960), (820, 22766368), (1252, 14910880), (1312, 14228980), (1565, 11928704), (1640, 11383184), (2273, 8213120), (2504, 7455440), (2624, 7114490), (3130, 5964352), (3280, 5691592), (4546, 4106560), (5008, 3727720), (5248, 3557245), (6260, 2982176), (6560, 2845796), (9092, 2053280), (10016, 1863860), (11365, 1642624), (12520, 1491088), (12833, 1454720), (13120, 1422898), (18184, 1026640), (20032, 931930), (22730, 821312), (25040, 745544), (25666, 727360), (26240, 711449), (36368, 513320), (40064, 465965), (45460, 410656), (50080, 372772), (51332, 363680), (64165, 290944), (72736, 256660), (90920, 205328), (93193, 200320), (100160, 186386), (102664, 181840), (128330, 145472)]