31980312

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1627}}^1$

素因数の和:1662

約数の個数: 128

約数和(自身を含む): 109401600

約数和(自身を除く): 77421288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 156, 168, 182, 189, 216, 234, 252, 273, 312, 351, 364, 378, 468, 504, 546, 702, 728, 756, 819, 936, 1092, 1404, 1512, 1627, 1638, 2184, 2457, 2808, 3254, 3276, 4881, 4914, 6508, 6552, 9762, 9828, 11389, 13016, 14643, 19524, 19656, 21151, 22778, 29286, 34167, 39048, 42302, 43929, 45556, 58572, 63453, 68334, 84604, 87858, 91112, 102501, 117144, 126906, 136668, 148057, 169208, 175716, 190359, 205002, 253812, 273336, 296114, 307503, 351432, 380718, 410004, 444171, 507624, 571077, 592228, 615006, 761436, 820008, 888342, 1142154, 1184456, 1230012, 1332513, 1522872, 1776684, 2284308, 2460024, 2665026, 3553368, 3997539, 4568616, 5330052, 7995078, 10660104, 15990156, 31980312]

約数ペア:

[(1, 31980312), (2, 15990156), (3, 10660104), (4, 7995078), (6, 5330052), (7, 4568616), (8, 3997539), (9, 3553368), (12, 2665026), (13, 2460024), (14, 2284308), (18, 1776684), (21, 1522872), (24, 1332513), (26, 1230012), (27, 1184456), (28, 1142154), (36, 888342), (39, 820008), (42, 761436), (52, 615006), (54, 592228), (56, 571077), (63, 507624), (72, 444171), (78, 410004), (84, 380718), (91, 351432), (104, 307503), (108, 296114), (117, 273336), (126, 253812), (156, 205002), (168, 190359), (182, 175716), (189, 169208), (216, 148057), (234, 136668), (252, 126906), (273, 117144), (312, 102501), (351, 91112), (364, 87858), (378, 84604), (468, 68334), (504, 63453), (546, 58572), (702, 45556), (728, 43929), (756, 42302), (819, 39048), (936, 34167), (1092, 29286), (1404, 22778), (1512, 21151), (1627, 19656), (1638, 19524), (2184, 14643), (2457, 13016), (2808, 11389), (3254, 9828), (3276, 9762), (4881, 6552), (4914, 6508)]