30905880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 97977600

約数和(自身を除く): 67071720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 83, 87, 107, 116, 120, 145, 166, 174, 214, 232, 249, 290, 321, 332, 348, 415, 428, 435, 498, 535, 580, 642, 664, 696, 830, 856, 870, 996, 1070, 1160, 1245, 1284, 1605, 1660, 1740, 1992, 2140, 2407, 2490, 2568, 3103, 3210, 3320, 3480, 4280, 4814, 4980, 6206, 6420, 7221, 8881, 9309, 9628, 9960, 12035, 12412, 12840, 14442, 15515, 17762, 18618, 19256, 24070, 24824, 26643, 28884, 31030, 35524, 36105, 37236, 44405, 46545, 48140, 53286, 57768, 62060, 71048, 72210, 74472, 88810, 93090, 96280, 106572, 124120, 133215, 144420, 177620, 186180, 213144, 257549, 266430, 288840, 355240, 372360, 515098, 532860, 772647, 1030196, 1065720, 1287745, 1545294, 2060392, 2575490, 3090588, 3863235, 5150980, 6181176, 7726470, 10301960, 15452940, 30905880]

約数ペア:

[(1, 30905880), (2, 15452940), (3, 10301960), (4, 7726470), (5, 6181176), (6, 5150980), (8, 3863235), (10, 3090588), (12, 2575490), (15, 2060392), (20, 1545294), (24, 1287745), (29, 1065720), (30, 1030196), (40, 772647), (58, 532860), (60, 515098), (83, 372360), (87, 355240), (107, 288840), (116, 266430), (120, 257549), (145, 213144), (166, 186180), (174, 177620), (214, 144420), (232, 133215), (249, 124120), (290, 106572), (321, 96280), (332, 93090), (348, 88810), (415, 74472), (428, 72210), (435, 71048), (498, 62060), (535, 57768), (580, 53286), (642, 48140), (664, 46545), (696, 44405), (830, 37236), (856, 36105), (870, 35524), (996, 31030), (1070, 28884), (1160, 26643), (1245, 24824), (1284, 24070), (1605, 19256), (1660, 18618), (1740, 17762), (1992, 15515), (2140, 14442), (2407, 12840), (2490, 12412), (2568, 12035), (3103, 9960), (3210, 9628), (3320, 9309), (3480, 8881), (4280, 7221), (4814, 6420), (4980, 6206)]