172321980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:875

約数の個数: 96

約数和(自身を含む): 506870784

約数和(自身を除く): 334548804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 193, 230, 276, 345, 386, 460, 579, 647, 690, 772, 965, 1158, 1294, 1380, 1930, 1941, 2316, 2588, 2895, 3235, 3860, 3882, 4439, 5790, 6470, 7764, 8878, 9705, 11580, 12940, 13317, 14881, 17756, 19410, 22195, 26634, 29762, 38820, 44390, 44643, 53268, 59524, 66585, 74405, 88780, 89286, 124871, 133170, 148810, 178572, 223215, 249742, 266340, 297620, 374613, 446430, 499484, 624355, 749226, 892860, 1248710, 1498452, 1873065, 2497420, 2872033, 3746130, 5744066, 7492260, 8616099, 11488132, 14360165, 17232198, 28720330, 34464396, 43080495, 57440660, 86160990, 172321980]

約数ペア:

[(1, 172321980), (2, 86160990), (3, 57440660), (4, 43080495), (5, 34464396), (6, 28720330), (10, 17232198), (12, 14360165), (15, 11488132), (20, 8616099), (23, 7492260), (30, 5744066), (46, 3746130), (60, 2872033), (69, 2497420), (92, 1873065), (115, 1498452), (138, 1248710), (193, 892860), (230, 749226), (276, 624355), (345, 499484), (386, 446430), (460, 374613), (579, 297620), (647, 266340), (690, 249742), (772, 223215), (965, 178572), (1158, 148810), (1294, 133170), (1380, 124871), (1930, 89286), (1941, 88780), (2316, 74405), (2588, 66585), (2895, 59524), (3235, 53268), (3860, 44643), (3882, 44390), (4439, 38820), (5790, 29762), (6470, 26634), (7764, 22195), (8878, 19410), (9705, 17756), (11580, 14881), (12940, 13317)]