178819020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:1004

約数の個数: 144

約数和(自身を含む): 578672640

約数和(自身を除く): 399853620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 47, 60, 69, 90, 92, 94, 115, 138, 141, 180, 188, 207, 230, 235, 276, 282, 345, 414, 423, 460, 470, 564, 690, 705, 828, 846, 919, 940, 1035, 1081, 1380, 1410, 1692, 1838, 2070, 2115, 2162, 2757, 2820, 3243, 3676, 4140, 4230, 4324, 4595, 5405, 5514, 6486, 8271, 8460, 9190, 9729, 10810, 11028, 12972, 13785, 16215, 16542, 18380, 19458, 21137, 21620, 27570, 32430, 33084, 38916, 41355, 42274, 43193, 48645, 55140, 63411, 64860, 82710, 84548, 86386, 97290, 105685, 126822, 129579, 165420, 172772, 190233, 194580, 211370, 215965, 253644, 259158, 317055, 380466, 388737, 422740, 431930, 518316, 634110, 647895, 760932, 777474, 863860, 951165, 993439, 1268220, 1295790, 1554948, 1902330, 1943685, 1986878, 2591580, 2980317, 3804660, 3887370, 3973756, 4967195, 5960634, 7774740, 8940951, 9934390, 11921268, 14901585, 17881902, 19868780, 29803170, 35763804, 44704755, 59606340, 89409510, 178819020]

約数ペア:

[(1, 178819020), (2, 89409510), (3, 59606340), (4, 44704755), (5, 35763804), (6, 29803170), (9, 19868780), (10, 17881902), (12, 14901585), (15, 11921268), (18, 9934390), (20, 8940951), (23, 7774740), (30, 5960634), (36, 4967195), (45, 3973756), (46, 3887370), (47, 3804660), (60, 2980317), (69, 2591580), (90, 1986878), (92, 1943685), (94, 1902330), (115, 1554948), (138, 1295790), (141, 1268220), (180, 993439), (188, 951165), (207, 863860), (230, 777474), (235, 760932), (276, 647895), (282, 634110), (345, 518316), (414, 431930), (423, 422740), (460, 388737), (470, 380466), (564, 317055), (690, 259158), (705, 253644), (828, 215965), (846, 211370), (919, 194580), (940, 190233), (1035, 172772), (1081, 165420), (1380, 129579), (1410, 126822), (1692, 105685), (1838, 97290), (2070, 86386), (2115, 84548), (2162, 82710), (2757, 64860), (2820, 63411), (3243, 55140), (3676, 48645), (4140, 43193), (4230, 42274), (4324, 41355), (4595, 38916), (5405, 33084), (5514, 32430), (6486, 27570), (8271, 21620), (8460, 21137), (9190, 19458), (9729, 18380), (10810, 16542), (11028, 16215), (12972, 13785)]