7474740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 26474112

約数和(自身を除く): 18999372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 37, 39, 42, 52, 60, 65, 70, 74, 78, 84, 91, 105, 111, 130, 140, 148, 156, 182, 185, 195, 210, 222, 259, 260, 273, 364, 370, 390, 420, 444, 455, 481, 518, 546, 555, 740, 777, 780, 910, 962, 1036, 1092, 1110, 1295, 1365, 1369, 1443, 1554, 1820, 1924, 2220, 2405, 2590, 2730, 2738, 2886, 3108, 3367, 3885, 4107, 4810, 5180, 5460, 5476, 5772, 6734, 6845, 7215, 7770, 8214, 9583, 9620, 10101, 13468, 13690, 14430, 15540, 16428, 16835, 17797, 19166, 20202, 20535, 27380, 28749, 28860, 33670, 35594, 38332, 40404, 41070, 47915, 50505, 53391, 57498, 67340, 71188, 82140, 88985, 95830, 101010, 106782, 114996, 124579, 143745, 177970, 191660, 202020, 213564, 249158, 266955, 287490, 355940, 373737, 498316, 533910, 574980, 622895, 747474, 1067820, 1245790, 1494948, 1868685, 2491580, 3737370, 7474740]

約数ペア:

[(1, 7474740), (2, 3737370), (3, 2491580), (4, 1868685), (5, 1494948), (6, 1245790), (7, 1067820), (10, 747474), (12, 622895), (13, 574980), (14, 533910), (15, 498316), (20, 373737), (21, 355940), (26, 287490), (28, 266955), (30, 249158), (35, 213564), (37, 202020), (39, 191660), (42, 177970), (52, 143745), (60, 124579), (65, 114996), (70, 106782), (74, 101010), (78, 95830), (84, 88985), (91, 82140), (105, 71188), (111, 67340), (130, 57498), (140, 53391), (148, 50505), (156, 47915), (182, 41070), (185, 40404), (195, 38332), (210, 35594), (222, 33670), (259, 28860), (260, 28749), (273, 27380), (364, 20535), (370, 20202), (390, 19166), (420, 17797), (444, 16835), (455, 16428), (481, 15540), (518, 14430), (546, 13690), (555, 13468), (740, 10101), (777, 9620), (780, 9583), (910, 8214), (962, 7770), (1036, 7215), (1092, 6845), (1110, 6734), (1295, 5772), (1365, 5476), (1369, 5460), (1443, 5180), (1554, 4810), (1820, 4107), (1924, 3885), (2220, 3367), (2405, 3108), (2590, 2886), (2730, 2738)]