18463480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 51425280

約数和(自身を除く): 32961800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 47, 56, 61, 70, 92, 94, 115, 122, 140, 161, 184, 188, 230, 235, 244, 280, 305, 322, 329, 376, 427, 460, 470, 488, 610, 644, 658, 805, 854, 920, 940, 1081, 1220, 1288, 1316, 1403, 1610, 1645, 1708, 1880, 2135, 2162, 2440, 2632, 2806, 2867, 3220, 3290, 3416, 4270, 4324, 5405, 5612, 5734, 6440, 6580, 7015, 7567, 8540, 8648, 9821, 10810, 11224, 11468, 13160, 14030, 14335, 15134, 17080, 19642, 20069, 21620, 22936, 28060, 28670, 30268, 37835, 39284, 40138, 43240, 49105, 56120, 57340, 60536, 65941, 75670, 78568, 80276, 98210, 100345, 114680, 131882, 151340, 160552, 196420, 200690, 263764, 302680, 329705, 392840, 401380, 461587, 527528, 659410, 802760, 923174, 1318820, 1846348, 2307935, 2637640, 3692696, 4615870, 9231740, 18463480]

約数ペア:

[(1, 18463480), (2, 9231740), (4, 4615870), (5, 3692696), (7, 2637640), (8, 2307935), (10, 1846348), (14, 1318820), (20, 923174), (23, 802760), (28, 659410), (35, 527528), (40, 461587), (46, 401380), (47, 392840), (56, 329705), (61, 302680), (70, 263764), (92, 200690), (94, 196420), (115, 160552), (122, 151340), (140, 131882), (161, 114680), (184, 100345), (188, 98210), (230, 80276), (235, 78568), (244, 75670), (280, 65941), (305, 60536), (322, 57340), (329, 56120), (376, 49105), (427, 43240), (460, 40138), (470, 39284), (488, 37835), (610, 30268), (644, 28670), (658, 28060), (805, 22936), (854, 21620), (920, 20069), (940, 19642), (1081, 17080), (1220, 15134), (1288, 14335), (1316, 14030), (1403, 13160), (1610, 11468), (1645, 11224), (1708, 10810), (1880, 9821), (2135, 8648), (2162, 8540), (2440, 7567), (2632, 7015), (2806, 6580), (2867, 6440), (3220, 5734), (3290, 5612), (3416, 5405), (4270, 4324)]