131578668

素因数分解:

$2^2\times 3^7\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 378151200

約数和(自身を除く): 246572532

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 89, 108, 117, 156, 162, 169, 178, 234, 243, 267, 324, 338, 351, 356, 468, 486, 507, 534, 676, 702, 729, 801, 972, 1014, 1053, 1068, 1157, 1404, 1458, 1521, 1602, 2028, 2106, 2187, 2314, 2403, 2916, 3042, 3159, 3204, 3471, 4212, 4374, 4563, 4628, 4806, 6084, 6318, 6942, 7209, 8748, 9126, 9477, 9612, 10413, 12636, 13689, 13884, 14418, 15041, 18252, 18954, 20826, 21627, 27378, 28431, 28836, 30082, 31239, 37908, 41067, 41652, 43254, 45123, 54756, 56862, 60164, 62478, 64881, 82134, 86508, 90246, 93717, 113724, 123201, 124956, 129762, 135369, 164268, 180492, 187434, 194643, 246402, 259524, 270738, 281151, 369603, 374868, 389286, 406107, 492804, 541476, 562302, 739206, 778572, 812214, 843453, 1124604, 1218321, 1478412, 1624428, 1686906, 2436642, 2530359, 3373812, 3654963, 4873284, 5060718, 7309926, 10121436, 10964889, 14619852, 21929778, 32894667, 43859556, 65789334, 131578668]

約数ペア:

[(1, 131578668), (2, 65789334), (3, 43859556), (4, 32894667), (6, 21929778), (9, 14619852), (12, 10964889), (13, 10121436), (18, 7309926), (26, 5060718), (27, 4873284), (36, 3654963), (39, 3373812), (52, 2530359), (54, 2436642), (78, 1686906), (81, 1624428), (89, 1478412), (108, 1218321), (117, 1124604), (156, 843453), (162, 812214), (169, 778572), (178, 739206), (234, 562302), (243, 541476), (267, 492804), (324, 406107), (338, 389286), (351, 374868), (356, 369603), (468, 281151), (486, 270738), (507, 259524), (534, 246402), (676, 194643), (702, 187434), (729, 180492), (801, 164268), (972, 135369), (1014, 129762), (1053, 124956), (1068, 123201), (1157, 113724), (1404, 93717), (1458, 90246), (1521, 86508), (1602, 82134), (2028, 64881), (2106, 62478), (2187, 60164), (2314, 56862), (2403, 54756), (2916, 45123), (3042, 43254), (3159, 41652), (3204, 41067), (3471, 37908), (4212, 31239), (4374, 30082), (4563, 28836), (4628, 28431), (4806, 27378), (6084, 21627), (6318, 20826), (6942, 18954), (7209, 18252), (8748, 15041), (9126, 14418), (9477, 13884), (9612, 13689), (10413, 12636)]