61191520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 163804032

約数和(自身を除く): 102612512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 73, 80, 104, 124, 130, 146, 155, 160, 169, 208, 248, 260, 292, 310, 338, 365, 403, 416, 496, 520, 584, 620, 676, 730, 806, 845, 949, 992, 1040, 1168, 1240, 1352, 1460, 1612, 1690, 1898, 2015, 2080, 2263, 2336, 2480, 2704, 2920, 3224, 3380, 3796, 4030, 4526, 4745, 4960, 5239, 5408, 5840, 6448, 6760, 7592, 8060, 9052, 9490, 10478, 11315, 11680, 12337, 12896, 13520, 15184, 16120, 18104, 18980, 20956, 22630, 24674, 26195, 27040, 29419, 30368, 32240, 36208, 37960, 41912, 45260, 49348, 52390, 58838, 61685, 64480, 72416, 75920, 83824, 90520, 98696, 104780, 117676, 123370, 147095, 151840, 167648, 181040, 197392, 209560, 235352, 246740, 294190, 362080, 382447, 394784, 419120, 470704, 493480, 588380, 764894, 838240, 941408, 986960, 1176760, 1529788, 1912235, 1973920, 2353520, 3059576, 3824470, 4707040, 6119152, 7648940, 12238304, 15297880, 30595760, 61191520]

約数ペア:

[(1, 61191520), (2, 30595760), (4, 15297880), (5, 12238304), (8, 7648940), (10, 6119152), (13, 4707040), (16, 3824470), (20, 3059576), (26, 2353520), (31, 1973920), (32, 1912235), (40, 1529788), (52, 1176760), (62, 986960), (65, 941408), (73, 838240), (80, 764894), (104, 588380), (124, 493480), (130, 470704), (146, 419120), (155, 394784), (160, 382447), (169, 362080), (208, 294190), (248, 246740), (260, 235352), (292, 209560), (310, 197392), (338, 181040), (365, 167648), (403, 151840), (416, 147095), (496, 123370), (520, 117676), (584, 104780), (620, 98696), (676, 90520), (730, 83824), (806, 75920), (845, 72416), (949, 64480), (992, 61685), (1040, 58838), (1168, 52390), (1240, 49348), (1352, 45260), (1460, 41912), (1612, 37960), (1690, 36208), (1898, 32240), (2015, 30368), (2080, 29419), (2263, 27040), (2336, 26195), (2480, 24674), (2704, 22630), (2920, 20956), (3224, 18980), (3380, 18104), (3796, 16120), (4030, 15184), (4526, 13520), (4745, 12896), (4960, 12337), (5239, 11680), (5408, 11315), (5840, 10478), (6448, 9490), (6760, 9052), (7592, 8060)]