1965810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:88

約数の個数: 128

約数和(自身を含む): 6303744

約数和(自身を除く): 4337934

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 23, 30, 33, 35, 37, 42, 46, 55, 66, 69, 70, 74, 77, 105, 110, 111, 115, 138, 154, 161, 165, 185, 210, 222, 230, 231, 253, 259, 322, 330, 345, 370, 385, 407, 462, 483, 506, 518, 555, 690, 759, 770, 777, 805, 814, 851, 966, 1110, 1155, 1221, 1265, 1295, 1518, 1554, 1610, 1702, 1771, 2035, 2310, 2415, 2442, 2530, 2553, 2590, 2849, 3542, 3795, 3885, 4070, 4255, 4830, 5106, 5313, 5698, 5957, 6105, 7590, 7770, 8510, 8547, 8855, 9361, 10626, 11914, 12210, 12765, 14245, 17094, 17710, 17871, 18722, 25530, 26565, 28083, 28490, 29785, 35742, 42735, 46805, 53130, 56166, 59570, 65527, 85470, 89355, 93610, 131054, 140415, 178710, 196581, 280830, 327635, 393162, 655270, 982905, 1965810]

約数ペア:

[(1, 1965810), (2, 982905), (3, 655270), (5, 393162), (6, 327635), (7, 280830), (10, 196581), (11, 178710), (14, 140415), (15, 131054), (21, 93610), (22, 89355), (23, 85470), (30, 65527), (33, 59570), (35, 56166), (37, 53130), (42, 46805), (46, 42735), (55, 35742), (66, 29785), (69, 28490), (70, 28083), (74, 26565), (77, 25530), (105, 18722), (110, 17871), (111, 17710), (115, 17094), (138, 14245), (154, 12765), (161, 12210), (165, 11914), (185, 10626), (210, 9361), (222, 8855), (230, 8547), (231, 8510), (253, 7770), (259, 7590), (322, 6105), (330, 5957), (345, 5698), (370, 5313), (385, 5106), (407, 4830), (462, 4255), (483, 4070), (506, 3885), (518, 3795), (555, 3542), (690, 2849), (759, 2590), (770, 2553), (777, 2530), (805, 2442), (814, 2415), (851, 2310), (966, 2035), (1110, 1771), (1155, 1702), (1221, 1610), (1265, 1554), (1295, 1518)]