644561460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{5693}}^1$

素因数の和:5762

約数の個数: 144

約数和(自身を含む): 2126504016

約数和(自身を除く): 1481942556

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, 222, 255, 306, 333, 340, 370, 444, 510, 555, 612, 629, 666, 740, 765, 1020, 1110, 1258, 1332, 1530, 1665, 1887, 2220, 2516, 3060, 3145, 3330, 3774, 5661, 5693, 6290, 6660, 7548, 9435, 11322, 11386, 12580, 17079, 18870, 22644, 22772, 28305, 28465, 34158, 37740, 51237, 56610, 56930, 68316, 85395, 96781, 102474, 113220, 113860, 170790, 193562, 204948, 210641, 256185, 290343, 341580, 387124, 421282, 483905, 512370, 580686, 631923, 842564, 871029, 967810, 1024740, 1053205, 1161372, 1263846, 1451715, 1742058, 1895769, 1935620, 2106410, 2527692, 2903430, 3159615, 3484116, 3580897, 3791538, 4212820, 4355145, 5806860, 6319230, 7161794, 7583076, 8710290, 9478845, 10742691, 12638460, 14323588, 17420580, 17904485, 18957690, 21485382, 32228073, 35808970, 37915380, 42970764, 53713455, 64456146, 71617940, 107426910, 128912292, 161140365, 214853820, 322280730, 644561460]

約数ペア:

[(1, 644561460), (2, 322280730), (3, 214853820), (4, 161140365), (5, 128912292), (6, 107426910), (9, 71617940), (10, 64456146), (12, 53713455), (15, 42970764), (17, 37915380), (18, 35808970), (20, 32228073), (30, 21485382), (34, 18957690), (36, 17904485), (37, 17420580), (45, 14323588), (51, 12638460), (60, 10742691), (68, 9478845), (74, 8710290), (85, 7583076), (90, 7161794), (102, 6319230), (111, 5806860), (148, 4355145), (153, 4212820), (170, 3791538), (180, 3580897), (185, 3484116), (204, 3159615), (222, 2903430), (255, 2527692), (306, 2106410), (333, 1935620), (340, 1895769), (370, 1742058), (444, 1451715), (510, 1263846), (555, 1161372), (612, 1053205), (629, 1024740), (666, 967810), (740, 871029), (765, 842564), (1020, 631923), (1110, 580686), (1258, 512370), (1332, 483905), (1530, 421282), (1665, 387124), (1887, 341580), (2220, 290343), (2516, 256185), (3060, 210641), (3145, 204948), (3330, 193562), (3774, 170790), (5661, 113860), (5693, 113220), (6290, 102474), (6660, 96781), (7548, 85395), (9435, 68316), (11322, 56930), (11386, 56610), (12580, 51237), (17079, 37740), (18870, 34158), (22644, 28465), (22772, 28305)]