31080228

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 80424960

約数和(自身を除く): 49344732

約数列:

[1, 2, 3, 4, 6, 12, 29, 31, 43, 58, 62, 67, 86, 87, 93, 116, 124, 129, 134, 172, 174, 186, 201, 258, 268, 348, 372, 402, 516, 804, 899, 1247, 1333, 1798, 1943, 2077, 2494, 2666, 2697, 2881, 3596, 3741, 3886, 3999, 4154, 4988, 5332, 5394, 5762, 5829, 6231, 7482, 7772, 7998, 8308, 8643, 10788, 11524, 11658, 12462, 14964, 15996, 17286, 23316, 24924, 34572, 38657, 60233, 77314, 83549, 89311, 115971, 120466, 154628, 167098, 178622, 180699, 231942, 240932, 250647, 267933, 334196, 357244, 361398, 463884, 501294, 535866, 722796, 1002588, 1071732, 2590019, 5180038, 7770057, 10360076, 15540114, 31080228]

約数ペア:

[(1, 31080228), (2, 15540114), (3, 10360076), (4, 7770057), (6, 5180038), (12, 2590019), (29, 1071732), (31, 1002588), (43, 722796), (58, 535866), (62, 501294), (67, 463884), (86, 361398), (87, 357244), (93, 334196), (116, 267933), (124, 250647), (129, 240932), (134, 231942), (172, 180699), (174, 178622), (186, 167098), (201, 154628), (258, 120466), (268, 115971), (348, 89311), (372, 83549), (402, 77314), (516, 60233), (804, 38657), (899, 34572), (1247, 24924), (1333, 23316), (1798, 17286), (1943, 15996), (2077, 14964), (2494, 12462), (2666, 11658), (2697, 11524), (2881, 10788), (3596, 8643), (3741, 8308), (3886, 7998), (3999, 7772), (4154, 7482), (4988, 6231), (5332, 5829), (5394, 5762)]