178052154

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 456192000

約数和(自身を除く): 278139846

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 57, 69, 89, 109, 114, 133, 138, 161, 178, 218, 266, 267, 322, 327, 399, 437, 483, 534, 623, 654, 763, 798, 874, 966, 1246, 1311, 1526, 1691, 1869, 2047, 2071, 2289, 2507, 2622, 3059, 3382, 3738, 4094, 4142, 4578, 5014, 5073, 6118, 6141, 6213, 7521, 9177, 9701, 10146, 11837, 12282, 12426, 14329, 14497, 15042, 17549, 18354, 19402, 23674, 28658, 28994, 29103, 35098, 35511, 38893, 42987, 43491, 47633, 52647, 58206, 67907, 71022, 77786, 85974, 86982, 95266, 105294, 116679, 135814, 142899, 184319, 203721, 223123, 233358, 272251, 285798, 333431, 368638, 407442, 446246, 544502, 552957, 666862, 669369, 816753, 1000293, 1105914, 1290233, 1338738, 1561861, 1633506, 2000586, 2580466, 3123722, 3870699, 4239337, 4685583, 7741398, 8478674, 9371166, 12718011, 25436022, 29675359, 59350718, 89026077, 178052154]

約数ペア:

[(1, 178052154), (2, 89026077), (3, 59350718), (6, 29675359), (7, 25436022), (14, 12718011), (19, 9371166), (21, 8478674), (23, 7741398), (38, 4685583), (42, 4239337), (46, 3870699), (57, 3123722), (69, 2580466), (89, 2000586), (109, 1633506), (114, 1561861), (133, 1338738), (138, 1290233), (161, 1105914), (178, 1000293), (218, 816753), (266, 669369), (267, 666862), (322, 552957), (327, 544502), (399, 446246), (437, 407442), (483, 368638), (534, 333431), (623, 285798), (654, 272251), (763, 233358), (798, 223123), (874, 203721), (966, 184319), (1246, 142899), (1311, 135814), (1526, 116679), (1691, 105294), (1869, 95266), (2047, 86982), (2071, 85974), (2289, 77786), (2507, 71022), (2622, 67907), (3059, 58206), (3382, 52647), (3738, 47633), (4094, 43491), (4142, 42987), (4578, 38893), (5014, 35511), (5073, 35098), (6118, 29103), (6141, 28994), (6213, 28658), (7521, 23674), (9177, 19402), (9701, 18354), (10146, 17549), (11837, 15042), (12282, 14497), (12426, 14329)]