78927660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1693}}^1$

素因数の和:1752

約数の個数: 144

約数和(自身を含む): 281176896

約数和(自身を除く): 202249236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1665, 1693, 2220, 2331, 2590, 3108, 3330, 3386, 3885, 4662, 5079, 5180, 6660, 6772, 7770, 8465, 9324, 10158, 11655, 11851, 15237, 15540, 16930, 20316, 23310, 23702, 25395, 30474, 33860, 35553, 46620, 47404, 50790, 59255, 60948, 62641, 71106, 76185, 101580, 106659, 118510, 125282, 142212, 152370, 177765, 187923, 213318, 237020, 250564, 304740, 313205, 355530, 375846, 426636, 438487, 533295, 563769, 626410, 711060, 751692, 876974, 939615, 1066590, 1127538, 1252820, 1315461, 1753948, 1879230, 2133180, 2192435, 2255076, 2630922, 2818845, 3758460, 3946383, 4384870, 5261844, 5637690, 6577305, 7892766, 8769740, 11275380, 13154610, 15785532, 19731915, 26309220, 39463830, 78927660]

約数ペア:

[(1, 78927660), (2, 39463830), (3, 26309220), (4, 19731915), (5, 15785532), (6, 13154610), (7, 11275380), (9, 8769740), (10, 7892766), (12, 6577305), (14, 5637690), (15, 5261844), (18, 4384870), (20, 3946383), (21, 3758460), (28, 2818845), (30, 2630922), (35, 2255076), (36, 2192435), (37, 2133180), (42, 1879230), (45, 1753948), (60, 1315461), (63, 1252820), (70, 1127538), (74, 1066590), (84, 939615), (90, 876974), (105, 751692), (111, 711060), (126, 626410), (140, 563769), (148, 533295), (180, 438487), (185, 426636), (210, 375846), (222, 355530), (252, 313205), (259, 304740), (315, 250564), (333, 237020), (370, 213318), (420, 187923), (444, 177765), (518, 152370), (555, 142212), (630, 125282), (666, 118510), (740, 106659), (777, 101580), (1036, 76185), (1110, 71106), (1260, 62641), (1295, 60948), (1332, 59255), (1554, 50790), (1665, 47404), (1693, 46620), (2220, 35553), (2331, 33860), (2590, 30474), (3108, 25395), (3330, 23702), (3386, 23310), (3885, 20316), (4662, 16930), (5079, 15540), (5180, 15237), (6660, 11851), (6772, 11655), (7770, 10158), (8465, 9324)]