31380804

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 192

約数和(自身を含む): 104366080

約数和(自身を除く): 72985276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 31, 36, 39, 42, 52, 54, 62, 63, 78, 84, 91, 93, 103, 108, 117, 124, 126, 156, 182, 186, 189, 206, 217, 234, 252, 273, 279, 309, 351, 364, 372, 378, 403, 412, 434, 468, 546, 558, 618, 651, 702, 721, 756, 806, 819, 837, 868, 927, 1092, 1116, 1209, 1236, 1302, 1339, 1404, 1442, 1612, 1638, 1674, 1854, 1953, 2163, 2418, 2457, 2604, 2678, 2781, 2821, 2884, 3193, 3276, 3348, 3627, 3708, 3906, 4017, 4326, 4836, 4914, 5356, 5562, 5642, 5859, 6386, 6489, 7254, 7812, 8034, 8463, 8652, 9373, 9579, 9828, 10881, 11124, 11284, 11718, 12051, 12772, 12978, 14508, 16068, 16926, 18746, 19158, 19467, 21762, 22351, 23436, 24102, 25389, 25956, 28119, 28737, 33852, 36153, 37492, 38316, 38934, 41509, 43524, 44702, 48204, 50778, 56238, 57474, 67053, 72306, 76167, 77868, 83018, 84357, 86211, 89404, 101556, 112476, 114948, 124527, 134106, 144612, 152334, 166036, 168714, 172422, 201159, 249054, 253071, 268212, 290563, 304668, 337428, 344844, 373581, 402318, 498108, 506142, 581126, 603477, 747162, 804636, 871689, 1012284, 1120743, 1162252, 1206954, 1494324, 1743378, 2241486, 2413908, 2615067, 3486756, 4482972, 5230134, 7845201, 10460268, 15690402, 31380804]

約数ペア:

[(1, 31380804), (2, 15690402), (3, 10460268), (4, 7845201), (6, 5230134), (7, 4482972), (9, 3486756), (12, 2615067), (13, 2413908), (14, 2241486), (18, 1743378), (21, 1494324), (26, 1206954), (27, 1162252), (28, 1120743), (31, 1012284), (36, 871689), (39, 804636), (42, 747162), (52, 603477), (54, 581126), (62, 506142), (63, 498108), (78, 402318), (84, 373581), (91, 344844), (93, 337428), (103, 304668), (108, 290563), (117, 268212), (124, 253071), (126, 249054), (156, 201159), (182, 172422), (186, 168714), (189, 166036), (206, 152334), (217, 144612), (234, 134106), (252, 124527), (273, 114948), (279, 112476), (309, 101556), (351, 89404), (364, 86211), (372, 84357), (378, 83018), (403, 77868), (412, 76167), (434, 72306), (468, 67053), (546, 57474), (558, 56238), (618, 50778), (651, 48204), (702, 44702), (721, 43524), (756, 41509), (806, 38934), (819, 38316), (837, 37492), (868, 36153), (927, 33852), (1092, 28737), (1116, 28119), (1209, 25956), (1236, 25389), (1302, 24102), (1339, 23436), (1404, 22351), (1442, 21762), (1612, 19467), (1638, 19158), (1674, 18746), (1854, 16926), (1953, 16068), (2163, 14508), (2418, 12978), (2457, 12772), (2604, 12051), (2678, 11718), (2781, 11284), (2821, 11124), (2884, 10881), (3193, 9828), (3276, 9579), (3348, 9373), (3627, 8652), (3708, 8463), (3906, 8034), (4017, 7812), (4326, 7254), (4836, 6489), (4914, 6386), (5356, 5859), (5562, 5642)]