123511920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2047

約数の個数: 160

約数和(自身を含む): 449637888

約数和(自身を除く): 326125968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 259, 280, 296, 336, 370, 420, 444, 518, 555, 560, 592, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 1680, 1776, 1987, 2072, 2220, 2590, 2960, 3108, 3885, 3974, 4144, 4440, 5180, 5961, 6216, 7770, 7948, 8880, 9935, 10360, 11922, 12432, 13909, 15540, 15896, 19870, 20720, 23844, 27818, 29805, 31080, 31792, 39740, 41727, 47688, 55636, 59610, 62160, 69545, 73519, 79480, 83454, 95376, 111272, 119220, 139090, 147038, 158960, 166908, 208635, 220557, 222544, 238440, 278180, 294076, 333816, 367595, 417270, 441114, 476880, 514633, 556360, 588152, 667632, 735190, 834540, 882228, 1029266, 1102785, 1112720, 1176304, 1470380, 1543899, 1669080, 1764456, 2058532, 2205570, 2573165, 2940760, 3087798, 3338160, 3528912, 4117064, 4411140, 5146330, 5881520, 6175596, 7719495, 8234128, 8822280, 10292660, 12351192, 15438990, 17644560, 20585320, 24702384, 30877980, 41170640, 61755960, 123511920]

約数ペア:

[(1, 123511920), (2, 61755960), (3, 41170640), (4, 30877980), (5, 24702384), (6, 20585320), (7, 17644560), (8, 15438990), (10, 12351192), (12, 10292660), (14, 8822280), (15, 8234128), (16, 7719495), (20, 6175596), (21, 5881520), (24, 5146330), (28, 4411140), (30, 4117064), (35, 3528912), (37, 3338160), (40, 3087798), (42, 2940760), (48, 2573165), (56, 2205570), (60, 2058532), (70, 1764456), (74, 1669080), (80, 1543899), (84, 1470380), (105, 1176304), (111, 1112720), (112, 1102785), (120, 1029266), (140, 882228), (148, 834540), (168, 735190), (185, 667632), (210, 588152), (222, 556360), (240, 514633), (259, 476880), (280, 441114), (296, 417270), (336, 367595), (370, 333816), (420, 294076), (444, 278180), (518, 238440), (555, 222544), (560, 220557), (592, 208635), (740, 166908), (777, 158960), (840, 147038), (888, 139090), (1036, 119220), (1110, 111272), (1295, 95376), (1480, 83454), (1554, 79480), (1680, 73519), (1776, 69545), (1987, 62160), (2072, 59610), (2220, 55636), (2590, 47688), (2960, 41727), (3108, 39740), (3885, 31792), (3974, 31080), (4144, 29805), (4440, 27818), (5180, 23844), (5961, 20720), (6216, 19870), (7770, 15896), (7948, 15540), (8880, 13909), (9935, 12432), (10360, 11922)]