74172420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:139

約数の個数: 216

約数和(自身を含む): 270414144

約数和(自身を除く): 196241724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 43, 45, 60, 63, 70, 74, 84, 86, 90, 105, 111, 126, 129, 140, 148, 172, 180, 185, 210, 215, 222, 252, 258, 259, 301, 315, 333, 370, 387, 420, 430, 444, 516, 518, 555, 602, 630, 645, 666, 740, 774, 777, 860, 903, 1036, 1110, 1204, 1260, 1290, 1295, 1332, 1369, 1505, 1548, 1554, 1591, 1665, 1806, 1935, 2220, 2331, 2580, 2590, 2709, 2738, 3010, 3108, 3182, 3330, 3612, 3870, 3885, 4107, 4515, 4662, 4773, 5180, 5418, 5476, 6020, 6364, 6660, 6845, 7740, 7770, 7955, 8214, 9030, 9324, 9546, 9583, 10836, 11137, 11655, 12321, 13545, 13690, 14319, 15540, 15910, 16428, 18060, 19092, 19166, 20535, 22274, 23310, 23865, 24642, 27090, 27380, 28638, 28749, 31820, 33411, 38332, 41070, 44548, 46620, 47730, 47915, 49284, 54180, 55685, 57276, 57498, 58867, 61605, 66822, 71595, 82140, 86247, 95460, 95830, 100233, 111370, 114996, 117734, 123210, 133644, 143190, 143745, 167055, 172494, 176601, 191660, 200466, 222740, 235468, 246420, 286380, 287490, 294335, 334110, 344988, 353202, 400932, 412069, 431235, 501165, 529803, 574980, 588670, 668220, 706404, 824138, 862470, 883005, 1002330, 1059606, 1177340, 1236207, 1648276, 1724940, 1766010, 2004660, 2060345, 2119212, 2472414, 2649015, 3532020, 3708621, 4120690, 4944828, 5298030, 6181035, 7417242, 8241380, 10596060, 12362070, 14834484, 18543105, 24724140, 37086210, 74172420]

約数ペア:

[(1, 74172420), (2, 37086210), (3, 24724140), (4, 18543105), (5, 14834484), (6, 12362070), (7, 10596060), (9, 8241380), (10, 7417242), (12, 6181035), (14, 5298030), (15, 4944828), (18, 4120690), (20, 3708621), (21, 3532020), (28, 2649015), (30, 2472414), (35, 2119212), (36, 2060345), (37, 2004660), (42, 1766010), (43, 1724940), (45, 1648276), (60, 1236207), (63, 1177340), (70, 1059606), (74, 1002330), (84, 883005), (86, 862470), (90, 824138), (105, 706404), (111, 668220), (126, 588670), (129, 574980), (140, 529803), (148, 501165), (172, 431235), (180, 412069), (185, 400932), (210, 353202), (215, 344988), (222, 334110), (252, 294335), (258, 287490), (259, 286380), (301, 246420), (315, 235468), (333, 222740), (370, 200466), (387, 191660), (420, 176601), (430, 172494), (444, 167055), (516, 143745), (518, 143190), (555, 133644), (602, 123210), (630, 117734), (645, 114996), (666, 111370), (740, 100233), (774, 95830), (777, 95460), (860, 86247), (903, 82140), (1036, 71595), (1110, 66822), (1204, 61605), (1260, 58867), (1290, 57498), (1295, 57276), (1332, 55685), (1369, 54180), (1505, 49284), (1548, 47915), (1554, 47730), (1591, 46620), (1665, 44548), (1806, 41070), (1935, 38332), (2220, 33411), (2331, 31820), (2580, 28749), (2590, 28638), (2709, 27380), (2738, 27090), (3010, 24642), (3108, 23865), (3182, 23310), (3330, 22274), (3612, 20535), (3870, 19166), (3885, 19092), (4107, 18060), (4515, 16428), (4662, 15910), (4773, 15540), (5180, 14319), (5418, 13690), (5476, 13545), (6020, 12321), (6364, 11655), (6660, 11137), (6845, 10836), (7740, 9583), (7770, 9546), (7955, 9324), (8214, 9030)]