217779660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{563}}^1$

素因数の和:892

約数の個数: 144

約数和(自身を含む): 758774016

約数和(自身を除く): 540994356

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 307, 315, 420, 563, 614, 630, 921, 1126, 1228, 1260, 1535, 1689, 1842, 2149, 2252, 2763, 2815, 3070, 3378, 3684, 3941, 4298, 4605, 5067, 5526, 5630, 6140, 6447, 6756, 7882, 8445, 8596, 9210, 10134, 10745, 11052, 11260, 11823, 12894, 13815, 15764, 16890, 18420, 19341, 19705, 20268, 21490, 23646, 25335, 25788, 27630, 32235, 33780, 35469, 38682, 39410, 42980, 47292, 50670, 55260, 59115, 64470, 70938, 77364, 78820, 96705, 101340, 118230, 128940, 141876, 172841, 177345, 193410, 236460, 345682, 354690, 386820, 518523, 691364, 709380, 864205, 1037046, 1209887, 1555569, 1728410, 2074092, 2419774, 2592615, 3111138, 3456820, 3629661, 4839548, 5185230, 6049435, 6222276, 7259322, 7777845, 10370460, 10888983, 12098870, 14518644, 15555690, 18148305, 21777966, 24197740, 31111380, 36296610, 43555932, 54444915, 72593220, 108889830, 217779660]

約数ペア:

[(1, 217779660), (2, 108889830), (3, 72593220), (4, 54444915), (5, 43555932), (6, 36296610), (7, 31111380), (9, 24197740), (10, 21777966), (12, 18148305), (14, 15555690), (15, 14518644), (18, 12098870), (20, 10888983), (21, 10370460), (28, 7777845), (30, 7259322), (35, 6222276), (36, 6049435), (42, 5185230), (45, 4839548), (60, 3629661), (63, 3456820), (70, 3111138), (84, 2592615), (90, 2419774), (105, 2074092), (126, 1728410), (140, 1555569), (180, 1209887), (210, 1037046), (252, 864205), (307, 709380), (315, 691364), (420, 518523), (563, 386820), (614, 354690), (630, 345682), (921, 236460), (1126, 193410), (1228, 177345), (1260, 172841), (1535, 141876), (1689, 128940), (1842, 118230), (2149, 101340), (2252, 96705), (2763, 78820), (2815, 77364), (3070, 70938), (3378, 64470), (3684, 59115), (3941, 55260), (4298, 50670), (4605, 47292), (5067, 42980), (5526, 39410), (5630, 38682), (6140, 35469), (6447, 33780), (6756, 32235), (7882, 27630), (8445, 25788), (8596, 25335), (9210, 23646), (10134, 21490), (10745, 20268), (11052, 19705), (11260, 19341), (11823, 18420), (12894, 16890), (13815, 15764)]