640560690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2801}}^1$

素因数の和:2846

約数の個数: 192

約数和(自身を含む): 2146556160

約数和(自身を除く): 1505995470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 90, 99, 105, 110, 121, 126, 135, 154, 165, 189, 198, 210, 231, 242, 270, 297, 315, 330, 363, 378, 385, 462, 495, 594, 605, 630, 693, 726, 770, 847, 945, 990, 1089, 1155, 1210, 1386, 1485, 1694, 1815, 1890, 2079, 2178, 2310, 2541, 2801, 2970, 3267, 3465, 3630, 4158, 4235, 5082, 5445, 5602, 6534, 6930, 7623, 8403, 8470, 10395, 10890, 12705, 14005, 15246, 16335, 16806, 19607, 20790, 22869, 25209, 25410, 28010, 30811, 32670, 38115, 39214, 42015, 45738, 50418, 58821, 61622, 75627, 76230, 84030, 92433, 98035, 114345, 117642, 126045, 151254, 154055, 176463, 184866, 196070, 215677, 228690, 252090, 277299, 294105, 308110, 338921, 352926, 378135, 431354, 462165, 529389, 554598, 588210, 647031, 677842, 756270, 831897, 882315, 924330, 1016763, 1058778, 1078385, 1294062, 1386495, 1663794, 1694605, 1764630, 1941093, 2033526, 2156770, 2372447, 2646945, 2772990, 3050289, 3235155, 3389210, 3882186, 4159485, 4744894, 5083815, 5293890, 5823279, 6100578, 6470310, 7117341, 8318970, 9150867, 9705465, 10167630, 11646558, 11862235, 14234682, 15251445, 18301734, 19410930, 21352023, 23724470, 29116395, 30502890, 35586705, 42704046, 45754335, 58232790, 64056069, 71173410, 91508670, 106760115, 128112138, 213520230, 320280345, 640560690]

約数ペア:

[(1, 640560690), (2, 320280345), (3, 213520230), (5, 128112138), (6, 106760115), (7, 91508670), (9, 71173410), (10, 64056069), (11, 58232790), (14, 45754335), (15, 42704046), (18, 35586705), (21, 30502890), (22, 29116395), (27, 23724470), (30, 21352023), (33, 19410930), (35, 18301734), (42, 15251445), (45, 14234682), (54, 11862235), (55, 11646558), (63, 10167630), (66, 9705465), (70, 9150867), (77, 8318970), (90, 7117341), (99, 6470310), (105, 6100578), (110, 5823279), (121, 5293890), (126, 5083815), (135, 4744894), (154, 4159485), (165, 3882186), (189, 3389210), (198, 3235155), (210, 3050289), (231, 2772990), (242, 2646945), (270, 2372447), (297, 2156770), (315, 2033526), (330, 1941093), (363, 1764630), (378, 1694605), (385, 1663794), (462, 1386495), (495, 1294062), (594, 1078385), (605, 1058778), (630, 1016763), (693, 924330), (726, 882315), (770, 831897), (847, 756270), (945, 677842), (990, 647031), (1089, 588210), (1155, 554598), (1210, 529389), (1386, 462165), (1485, 431354), (1694, 378135), (1815, 352926), (1890, 338921), (2079, 308110), (2178, 294105), (2310, 277299), (2541, 252090), (2801, 228690), (2970, 215677), (3267, 196070), (3465, 184866), (3630, 176463), (4158, 154055), (4235, 151254), (5082, 126045), (5445, 117642), (5602, 114345), (6534, 98035), (6930, 92433), (7623, 84030), (8403, 76230), (8470, 75627), (10395, 61622), (10890, 58821), (12705, 50418), (14005, 45738), (15246, 42015), (16335, 39214), (16806, 38115), (19607, 32670), (20790, 30811), (22869, 28010), (25209, 25410)]