74838420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:730

約数の個数: 144

約数和(自身を含む): 247233168

約数和(自身を除く): 172394748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 37, 45, 51, 60, 68, 74, 85, 90, 102, 111, 148, 153, 170, 180, 185, 204, 222, 255, 306, 333, 340, 370, 444, 510, 555, 612, 629, 661, 666, 740, 765, 1020, 1110, 1258, 1322, 1332, 1530, 1665, 1887, 1983, 2220, 2516, 2644, 3060, 3145, 3305, 3330, 3774, 3966, 5661, 5949, 6290, 6610, 6660, 7548, 7932, 9435, 9915, 11237, 11322, 11898, 12580, 13220, 18870, 19830, 22474, 22644, 23796, 24457, 28305, 29745, 33711, 37740, 39660, 44948, 48914, 56185, 56610, 59490, 67422, 73371, 97828, 101133, 112370, 113220, 118980, 122285, 134844, 146742, 168555, 202266, 220113, 224740, 244570, 293484, 337110, 366855, 404532, 415769, 440226, 489140, 505665, 674220, 733710, 831538, 880452, 1011330, 1100565, 1247307, 1467420, 1663076, 2022660, 2078845, 2201130, 2494614, 3741921, 4157690, 4402260, 4989228, 6236535, 7483842, 8315380, 12473070, 14967684, 18709605, 24946140, 37419210, 74838420]

約数ペア:

[(1, 74838420), (2, 37419210), (3, 24946140), (4, 18709605), (5, 14967684), (6, 12473070), (9, 8315380), (10, 7483842), (12, 6236535), (15, 4989228), (17, 4402260), (18, 4157690), (20, 3741921), (30, 2494614), (34, 2201130), (36, 2078845), (37, 2022660), (45, 1663076), (51, 1467420), (60, 1247307), (68, 1100565), (74, 1011330), (85, 880452), (90, 831538), (102, 733710), (111, 674220), (148, 505665), (153, 489140), (170, 440226), (180, 415769), (185, 404532), (204, 366855), (222, 337110), (255, 293484), (306, 244570), (333, 224740), (340, 220113), (370, 202266), (444, 168555), (510, 146742), (555, 134844), (612, 122285), (629, 118980), (661, 113220), (666, 112370), (740, 101133), (765, 97828), (1020, 73371), (1110, 67422), (1258, 59490), (1322, 56610), (1332, 56185), (1530, 48914), (1665, 44948), (1887, 39660), (1983, 37740), (2220, 33711), (2516, 29745), (2644, 28305), (3060, 24457), (3145, 23796), (3305, 22644), (3330, 22474), (3774, 19830), (3966, 18870), (5661, 13220), (5949, 12580), (6290, 11898), (6610, 11322), (6660, 11237), (7548, 9915), (7932, 9435)]