261852768

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:789

約数の個数: 144

約数和(自身を含む): 799606080

約数和(自身を除く): 537753312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 79, 96, 102, 136, 144, 153, 158, 204, 237, 272, 288, 306, 316, 408, 474, 544, 612, 632, 677, 711, 816, 948, 1224, 1264, 1343, 1354, 1422, 1632, 1896, 2031, 2448, 2528, 2686, 2708, 2844, 3792, 4029, 4062, 4896, 5372, 5416, 5688, 6093, 7584, 8058, 8124, 10744, 10832, 11376, 11509, 12087, 12186, 16116, 16248, 21488, 21664, 22752, 23018, 24174, 24372, 32232, 32496, 34527, 42976, 46036, 48348, 48744, 53483, 64464, 64992, 69054, 92072, 96696, 97488, 103581, 106966, 128928, 138108, 160449, 184144, 193392, 194976, 207162, 213932, 276216, 320898, 368288, 386784, 414324, 427864, 481347, 552432, 641796, 828648, 855728, 909211, 962694, 1104864, 1283592, 1657296, 1711456, 1818422, 1925388, 2567184, 2727633, 3314592, 3636844, 3850776, 5134368, 5455266, 7273688, 7701552, 8182899, 10910532, 14547376, 15403104, 16365798, 21821064, 29094752, 32731596, 43642128, 65463192, 87284256, 130926384, 261852768]

約数ペア:

[(1, 261852768), (2, 130926384), (3, 87284256), (4, 65463192), (6, 43642128), (8, 32731596), (9, 29094752), (12, 21821064), (16, 16365798), (17, 15403104), (18, 14547376), (24, 10910532), (32, 8182899), (34, 7701552), (36, 7273688), (48, 5455266), (51, 5134368), (68, 3850776), (72, 3636844), (79, 3314592), (96, 2727633), (102, 2567184), (136, 1925388), (144, 1818422), (153, 1711456), (158, 1657296), (204, 1283592), (237, 1104864), (272, 962694), (288, 909211), (306, 855728), (316, 828648), (408, 641796), (474, 552432), (544, 481347), (612, 427864), (632, 414324), (677, 386784), (711, 368288), (816, 320898), (948, 276216), (1224, 213932), (1264, 207162), (1343, 194976), (1354, 193392), (1422, 184144), (1632, 160449), (1896, 138108), (2031, 128928), (2448, 106966), (2528, 103581), (2686, 97488), (2708, 96696), (2844, 92072), (3792, 69054), (4029, 64992), (4062, 64464), (4896, 53483), (5372, 48744), (5416, 48348), (5688, 46036), (6093, 42976), (7584, 34527), (8058, 32496), (8124, 32232), (10744, 24372), (10832, 24174), (11376, 23018), (11509, 22752), (12087, 21664), (12186, 21488), (16116, 16248)]