261614160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{587}}^1\times {\mathrm{619}}^1$

素因数の和:1225

約数の個数: 120

約数和(自身を含む): 881506080

約数和(自身を除く): 619891920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 587, 619, 720, 1174, 1238, 1761, 1857, 2348, 2476, 2935, 3095, 3522, 3714, 4696, 4952, 5283, 5571, 5870, 6190, 7044, 7428, 8805, 9285, 9392, 9904, 10566, 11142, 11740, 12380, 14088, 14856, 17610, 18570, 21132, 22284, 23480, 24760, 26415, 27855, 28176, 29712, 35220, 37140, 42264, 44568, 46960, 49520, 52830, 55710, 70440, 74280, 84528, 89136, 105660, 111420, 140880, 148560, 211320, 222840, 363353, 422640, 445680, 726706, 1090059, 1453412, 1816765, 2180118, 2906824, 3270177, 3633530, 4360236, 5450295, 5813648, 6540354, 7267060, 8720472, 10900590, 13080708, 14534120, 16350885, 17440944, 21801180, 26161416, 29068240, 32701770, 43602360, 52322832, 65403540, 87204720, 130807080, 261614160]

約数ペア:

[(1, 261614160), (2, 130807080), (3, 87204720), (4, 65403540), (5, 52322832), (6, 43602360), (8, 32701770), (9, 29068240), (10, 26161416), (12, 21801180), (15, 17440944), (16, 16350885), (18, 14534120), (20, 13080708), (24, 10900590), (30, 8720472), (36, 7267060), (40, 6540354), (45, 5813648), (48, 5450295), (60, 4360236), (72, 3633530), (80, 3270177), (90, 2906824), (120, 2180118), (144, 1816765), (180, 1453412), (240, 1090059), (360, 726706), (587, 445680), (619, 422640), (720, 363353), (1174, 222840), (1238, 211320), (1761, 148560), (1857, 140880), (2348, 111420), (2476, 105660), (2935, 89136), (3095, 84528), (3522, 74280), (3714, 70440), (4696, 55710), (4952, 52830), (5283, 49520), (5571, 46960), (5870, 44568), (6190, 42264), (7044, 37140), (7428, 35220), (8805, 29712), (9285, 28176), (9392, 27855), (9904, 26415), (10566, 24760), (11142, 23480), (11740, 22284), (12380, 21132), (14088, 18570), (14856, 17610)]