178921548

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:533

約数の個数: 120

約数和(自身を含む): 509704272

約数和(自身を除く): 330782724

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 107, 108, 117, 156, 162, 214, 234, 321, 324, 351, 397, 428, 468, 642, 702, 794, 963, 1053, 1191, 1284, 1391, 1404, 1588, 1926, 2106, 2382, 2782, 2889, 3573, 3852, 4173, 4212, 4764, 5161, 5564, 5778, 7146, 8346, 8667, 10322, 10719, 11556, 12519, 14292, 15483, 16692, 17334, 20644, 21438, 25038, 30966, 32157, 34668, 37557, 42479, 42876, 46449, 50076, 61932, 64314, 75114, 84958, 92898, 112671, 127437, 128628, 139347, 150228, 169916, 185796, 225342, 254874, 278694, 382311, 418041, 450684, 509748, 552227, 557388, 764622, 836082, 1104454, 1146933, 1529244, 1656681, 1672164, 2208908, 2293866, 3313362, 3440799, 4587732, 4970043, 6626724, 6881598, 9940086, 13763196, 14910129, 19880172, 29820258, 44730387, 59640516, 89460774, 178921548]

約数ペア:

[(1, 178921548), (2, 89460774), (3, 59640516), (4, 44730387), (6, 29820258), (9, 19880172), (12, 14910129), (13, 13763196), (18, 9940086), (26, 6881598), (27, 6626724), (36, 4970043), (39, 4587732), (52, 3440799), (54, 3313362), (78, 2293866), (81, 2208908), (107, 1672164), (108, 1656681), (117, 1529244), (156, 1146933), (162, 1104454), (214, 836082), (234, 764622), (321, 557388), (324, 552227), (351, 509748), (397, 450684), (428, 418041), (468, 382311), (642, 278694), (702, 254874), (794, 225342), (963, 185796), (1053, 169916), (1191, 150228), (1284, 139347), (1391, 128628), (1404, 127437), (1588, 112671), (1926, 92898), (2106, 84958), (2382, 75114), (2782, 64314), (2889, 61932), (3573, 50076), (3852, 46449), (4173, 42876), (4212, 42479), (4764, 37557), (5161, 34668), (5564, 32157), (5778, 30966), (7146, 25038), (8346, 21438), (8667, 20644), (10322, 17334), (10719, 16692), (11556, 15483), (12519, 14292)]