23889420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 79174368

約数和(自身を除く): 55284948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 37, 45, 51, 60, 68, 74, 85, 90, 102, 111, 148, 153, 170, 180, 185, 204, 211, 222, 255, 306, 333, 340, 370, 422, 444, 510, 555, 612, 629, 633, 666, 740, 765, 844, 1020, 1055, 1110, 1258, 1266, 1332, 1530, 1665, 1887, 1899, 2110, 2220, 2516, 2532, 3060, 3145, 3165, 3330, 3587, 3774, 3798, 4220, 5661, 6290, 6330, 6660, 7174, 7548, 7596, 7807, 9435, 9495, 10761, 11322, 12580, 12660, 14348, 15614, 17935, 18870, 18990, 21522, 22644, 23421, 28305, 31228, 32283, 35870, 37740, 37980, 39035, 43044, 46842, 53805, 56610, 64566, 70263, 71740, 78070, 93684, 107610, 113220, 117105, 129132, 132719, 140526, 156140, 161415, 215220, 234210, 265438, 281052, 322830, 351315, 398157, 468420, 530876, 645660, 663595, 702630, 796314, 1194471, 1327190, 1405260, 1592628, 1990785, 2388942, 2654380, 3981570, 4777884, 5972355, 7963140, 11944710, 23889420]

約数ペア:

[(1, 23889420), (2, 11944710), (3, 7963140), (4, 5972355), (5, 4777884), (6, 3981570), (9, 2654380), (10, 2388942), (12, 1990785), (15, 1592628), (17, 1405260), (18, 1327190), (20, 1194471), (30, 796314), (34, 702630), (36, 663595), (37, 645660), (45, 530876), (51, 468420), (60, 398157), (68, 351315), (74, 322830), (85, 281052), (90, 265438), (102, 234210), (111, 215220), (148, 161415), (153, 156140), (170, 140526), (180, 132719), (185, 129132), (204, 117105), (211, 113220), (222, 107610), (255, 93684), (306, 78070), (333, 71740), (340, 70263), (370, 64566), (422, 56610), (444, 53805), (510, 46842), (555, 43044), (612, 39035), (629, 37980), (633, 37740), (666, 35870), (740, 32283), (765, 31228), (844, 28305), (1020, 23421), (1055, 22644), (1110, 21522), (1258, 18990), (1266, 18870), (1332, 17935), (1530, 15614), (1665, 14348), (1887, 12660), (1899, 12580), (2110, 11322), (2220, 10761), (2516, 9495), (2532, 9435), (3060, 7807), (3145, 7596), (3165, 7548), (3330, 7174), (3587, 6660), (3774, 6330), (3798, 6290), (4220, 5661)]