1620881748

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:442

約数の個数: 144

約数和(自身を含む): 4361011200

約数和(自身を除く): 2740129452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 59, 62, 93, 103, 118, 124, 177, 186, 206, 236, 239, 279, 309, 354, 372, 412, 478, 531, 558, 618, 708, 717, 927, 956, 1062, 1116, 1236, 1434, 1829, 1854, 2124, 2151, 2868, 3193, 3658, 3708, 4302, 5487, 6077, 6386, 7316, 7409, 8604, 9579, 10974, 12154, 12772, 14101, 14818, 16461, 18231, 19158, 21948, 22227, 24308, 24617, 28202, 28737, 29636, 32922, 36462, 38316, 42303, 44454, 49234, 54693, 56404, 57474, 65844, 66681, 72924, 73851, 84606, 88908, 98468, 109386, 114948, 126909, 133362, 147702, 169212, 188387, 218772, 221553, 253818, 266724, 295404, 376774, 437131, 443106, 507636, 565161, 753548, 763127, 874262, 886212, 1130322, 1311393, 1452403, 1526254, 1695483, 1748524, 2260644, 2289381, 2622786, 2904806, 3052508, 3390966, 3934179, 4357209, 4578762, 5245572, 5809612, 6781932, 6868143, 7868358, 8714418, 9157524, 13071627, 13736286, 15736716, 17428836, 26143254, 27472572, 45024493, 52286508, 90048986, 135073479, 180097972, 270146958, 405220437, 540293916, 810440874, 1620881748]

約数ペア:

[(1, 1620881748), (2, 810440874), (3, 540293916), (4, 405220437), (6, 270146958), (9, 180097972), (12, 135073479), (18, 90048986), (31, 52286508), (36, 45024493), (59, 27472572), (62, 26143254), (93, 17428836), (103, 15736716), (118, 13736286), (124, 13071627), (177, 9157524), (186, 8714418), (206, 7868358), (236, 6868143), (239, 6781932), (279, 5809612), (309, 5245572), (354, 4578762), (372, 4357209), (412, 3934179), (478, 3390966), (531, 3052508), (558, 2904806), (618, 2622786), (708, 2289381), (717, 2260644), (927, 1748524), (956, 1695483), (1062, 1526254), (1116, 1452403), (1236, 1311393), (1434, 1130322), (1829, 886212), (1854, 874262), (2124, 763127), (2151, 753548), (2868, 565161), (3193, 507636), (3658, 443106), (3708, 437131), (4302, 376774), (5487, 295404), (6077, 266724), (6386, 253818), (7316, 221553), (7409, 218772), (8604, 188387), (9579, 169212), (10974, 147702), (12154, 133362), (12772, 126909), (14101, 114948), (14818, 109386), (16461, 98468), (18231, 88908), (19158, 84606), (21948, 73851), (22227, 72924), (24308, 66681), (24617, 65844), (28202, 57474), (28737, 56404), (29636, 54693), (32922, 49234), (36462, 44454), (38316, 42303)]