71398530

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1021}}^1$

素因数の和:1081

約数の個数: 128

約数和(自身を含む): 223695360

約数和(自身を除く): 152296830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 105, 111, 126, 135, 185, 189, 210, 222, 259, 270, 315, 333, 370, 378, 518, 555, 630, 666, 777, 945, 999, 1021, 1110, 1295, 1554, 1665, 1890, 1998, 2042, 2331, 2590, 3063, 3330, 3885, 4662, 4995, 5105, 6126, 6993, 7147, 7770, 9189, 9990, 10210, 11655, 13986, 14294, 15315, 18378, 21441, 23310, 27567, 30630, 34965, 35735, 37777, 42882, 45945, 55134, 64323, 69930, 71470, 75554, 91890, 107205, 113331, 128646, 137835, 188885, 192969, 214410, 226662, 264439, 275670, 321615, 339993, 377770, 385938, 528878, 566655, 643230, 679986, 793317, 964845, 1019979, 1133310, 1322195, 1586634, 1699965, 1929690, 2039958, 2379951, 2644390, 3399930, 3966585, 4759902, 5099895, 7139853, 7933170, 10199790, 11899755, 14279706, 23799510, 35699265, 71398530]

約数ペア:

[(1, 71398530), (2, 35699265), (3, 23799510), (5, 14279706), (6, 11899755), (7, 10199790), (9, 7933170), (10, 7139853), (14, 5099895), (15, 4759902), (18, 3966585), (21, 3399930), (27, 2644390), (30, 2379951), (35, 2039958), (37, 1929690), (42, 1699965), (45, 1586634), (54, 1322195), (63, 1133310), (70, 1019979), (74, 964845), (90, 793317), (105, 679986), (111, 643230), (126, 566655), (135, 528878), (185, 385938), (189, 377770), (210, 339993), (222, 321615), (259, 275670), (270, 264439), (315, 226662), (333, 214410), (370, 192969), (378, 188885), (518, 137835), (555, 128646), (630, 113331), (666, 107205), (777, 91890), (945, 75554), (999, 71470), (1021, 69930), (1110, 64323), (1295, 55134), (1554, 45945), (1665, 42882), (1890, 37777), (1998, 35735), (2042, 34965), (2331, 30630), (2590, 27567), (3063, 23310), (3330, 21441), (3885, 18378), (4662, 15315), (4995, 14294), (5105, 13986), (6126, 11655), (6993, 10210), (7147, 9990), (7770, 9189)]