640553670

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2699}}^1$

素因数の和:3011

約数の個数: 80

約数和(自身を含む): 1728896400

約数和(自身を除く): 1088342730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 293, 405, 586, 810, 879, 1465, 1758, 2637, 2699, 2930, 4395, 5274, 5398, 7911, 8097, 8790, 13185, 13495, 15822, 16194, 23733, 24291, 26370, 26990, 39555, 40485, 47466, 48582, 72873, 79110, 80970, 118665, 121455, 145746, 218619, 237330, 242910, 364365, 437238, 728730, 790807, 1093095, 1581614, 2186190, 2372421, 3954035, 4744842, 7117263, 7908070, 11862105, 14234526, 21351789, 23724210, 35586315, 42703578, 64055367, 71172630, 106758945, 128110734, 213517890, 320276835, 640553670]

約数ペア:

[(1, 640553670), (2, 320276835), (3, 213517890), (5, 128110734), (6, 106758945), (9, 71172630), (10, 64055367), (15, 42703578), (18, 35586315), (27, 23724210), (30, 21351789), (45, 14234526), (54, 11862105), (81, 7908070), (90, 7117263), (135, 4744842), (162, 3954035), (270, 2372421), (293, 2186190), (405, 1581614), (586, 1093095), (810, 790807), (879, 728730), (1465, 437238), (1758, 364365), (2637, 242910), (2699, 237330), (2930, 218619), (4395, 145746), (5274, 121455), (5398, 118665), (7911, 80970), (8097, 79110), (8790, 72873), (13185, 48582), (13495, 47466), (15822, 40485), (16194, 39555), (23733, 26990), (24291, 26370)]