56991640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 145152000

約数和(自身を除く): 88160360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 41, 59, 62, 76, 82, 95, 118, 124, 152, 155, 164, 190, 205, 236, 248, 295, 310, 328, 380, 410, 472, 589, 590, 620, 760, 779, 820, 1121, 1178, 1180, 1240, 1271, 1558, 1640, 1829, 2242, 2356, 2360, 2419, 2542, 2945, 3116, 3658, 3895, 4484, 4712, 4838, 5084, 5605, 5890, 6232, 6355, 7316, 7790, 8968, 9145, 9676, 10168, 11210, 11780, 12095, 12710, 14632, 15580, 18290, 19352, 22420, 23560, 24149, 24190, 25420, 31160, 34751, 36580, 44840, 45961, 48298, 48380, 50840, 69502, 73160, 74989, 91922, 96596, 96760, 120745, 139004, 149978, 173755, 183844, 193192, 229805, 241490, 278008, 299956, 347510, 367688, 374945, 459610, 482980, 599912, 695020, 749890, 919220, 965960, 1390040, 1424791, 1499780, 1838440, 2849582, 2999560, 5699164, 7123955, 11398328, 14247910, 28495820, 56991640]

約数ペア:

[(1, 56991640), (2, 28495820), (4, 14247910), (5, 11398328), (8, 7123955), (10, 5699164), (19, 2999560), (20, 2849582), (31, 1838440), (38, 1499780), (40, 1424791), (41, 1390040), (59, 965960), (62, 919220), (76, 749890), (82, 695020), (95, 599912), (118, 482980), (124, 459610), (152, 374945), (155, 367688), (164, 347510), (190, 299956), (205, 278008), (236, 241490), (248, 229805), (295, 193192), (310, 183844), (328, 173755), (380, 149978), (410, 139004), (472, 120745), (589, 96760), (590, 96596), (620, 91922), (760, 74989), (779, 73160), (820, 69502), (1121, 50840), (1178, 48380), (1180, 48298), (1240, 45961), (1271, 44840), (1558, 36580), (1640, 34751), (1829, 31160), (2242, 25420), (2356, 24190), (2360, 24149), (2419, 23560), (2542, 22420), (2945, 19352), (3116, 18290), (3658, 15580), (3895, 14632), (4484, 12710), (4712, 12095), (4838, 11780), (5084, 11210), (5605, 10168), (5890, 9676), (6232, 9145), (6355, 8968), (7316, 7790)]