6642920360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{72871}}^1$

素因数の和:72978

約数の個数: 64

約数和(自身を含む): 15582948480

約数和(自身を除く): 8940028120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 86, 106, 172, 212, 215, 265, 344, 424, 430, 530, 860, 1060, 1720, 2120, 2279, 4558, 9116, 11395, 18232, 22790, 45580, 72871, 91160, 145742, 291484, 364355, 582968, 728710, 1457420, 2914840, 3133453, 3862163, 6266906, 7724326, 12533812, 15448652, 15667265, 19310815, 25067624, 30897304, 31334530, 38621630, 62669060, 77243260, 125338120, 154486520, 166073009, 332146018, 664292036, 830365045, 1328584072, 1660730090, 3321460180, 6642920360]

約数ペア:

[(1, 6642920360), (2, 3321460180), (4, 1660730090), (5, 1328584072), (8, 830365045), (10, 664292036), (20, 332146018), (40, 166073009), (43, 154486520), (53, 125338120), (86, 77243260), (106, 62669060), (172, 38621630), (212, 31334530), (215, 30897304), (265, 25067624), (344, 19310815), (424, 15667265), (430, 15448652), (530, 12533812), (860, 7724326), (1060, 6266906), (1720, 3862163), (2120, 3133453), (2279, 2914840), (4558, 1457420), (9116, 728710), (11395, 582968), (18232, 364355), (22790, 291484), (45580, 145742), (72871, 91160)]