91991620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 240166080

約数和(自身を除く): 148174460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 43, 49, 59, 70, 74, 86, 98, 118, 140, 148, 172, 185, 196, 215, 236, 245, 259, 295, 301, 370, 413, 430, 490, 518, 590, 602, 740, 826, 860, 980, 1036, 1180, 1204, 1295, 1505, 1591, 1652, 1813, 2065, 2107, 2183, 2537, 2590, 2891, 3010, 3182, 3626, 4130, 4214, 4366, 5074, 5180, 5782, 6020, 6364, 7252, 7955, 8260, 8428, 8732, 9065, 10148, 10535, 10915, 11137, 11564, 12685, 14455, 15281, 15910, 17759, 18130, 21070, 21830, 22274, 25370, 28910, 30562, 31820, 35518, 36260, 42140, 43660, 44548, 50740, 55685, 57820, 61124, 71036, 76405, 77959, 88795, 93869, 106967, 111370, 124313, 152810, 155918, 177590, 187738, 213934, 222740, 248626, 305620, 311836, 355180, 375476, 389795, 427868, 469345, 497252, 534835, 621565, 657083, 779590, 938690, 1069670, 1243130, 1314166, 1559180, 1877380, 2139340, 2486260, 2628332, 3285415, 4599581, 6570830, 9199162, 13141660, 18398324, 22997905, 45995810, 91991620]

約数ペア:

[(1, 91991620), (2, 45995810), (4, 22997905), (5, 18398324), (7, 13141660), (10, 9199162), (14, 6570830), (20, 4599581), (28, 3285415), (35, 2628332), (37, 2486260), (43, 2139340), (49, 1877380), (59, 1559180), (70, 1314166), (74, 1243130), (86, 1069670), (98, 938690), (118, 779590), (140, 657083), (148, 621565), (172, 534835), (185, 497252), (196, 469345), (215, 427868), (236, 389795), (245, 375476), (259, 355180), (295, 311836), (301, 305620), (370, 248626), (413, 222740), (430, 213934), (490, 187738), (518, 177590), (590, 155918), (602, 152810), (740, 124313), (826, 111370), (860, 106967), (980, 93869), (1036, 88795), (1180, 77959), (1204, 76405), (1295, 71036), (1505, 61124), (1591, 57820), (1652, 55685), (1813, 50740), (2065, 44548), (2107, 43660), (2183, 42140), (2537, 36260), (2590, 35518), (2891, 31820), (3010, 30562), (3182, 28910), (3626, 25370), (4130, 22274), (4214, 21830), (4366, 21070), (5074, 18130), (5180, 17759), (5782, 15910), (6020, 15281), (6364, 14455), (7252, 12685), (7955, 11564), (8260, 11137), (8428, 10915), (8732, 10535), (9065, 10148)]