68178420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:434

約数の個数: 144

約数和(自身を含む): 220343760

約数和(自身を除く): 152165340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 37, 45, 58, 60, 74, 87, 90, 111, 116, 145, 148, 174, 180, 185, 222, 261, 290, 333, 348, 353, 370, 435, 444, 522, 555, 580, 666, 706, 740, 870, 1044, 1059, 1073, 1110, 1305, 1332, 1412, 1665, 1740, 1765, 2118, 2146, 2220, 2610, 3177, 3219, 3330, 3530, 4236, 4292, 5220, 5295, 5365, 6354, 6438, 6660, 7060, 9657, 10237, 10590, 10730, 12708, 12876, 13061, 15885, 16095, 19314, 20474, 21180, 21460, 26122, 30711, 31770, 32190, 38628, 39183, 40948, 48285, 51185, 52244, 61422, 63540, 64380, 65305, 78366, 92133, 96570, 102370, 117549, 122844, 130610, 153555, 156732, 184266, 193140, 195915, 204740, 235098, 261220, 307110, 368532, 378769, 391830, 460665, 470196, 587745, 614220, 757538, 783660, 921330, 1136307, 1175490, 1515076, 1842660, 1893845, 2272614, 2350980, 3408921, 3787690, 4545228, 5681535, 6817842, 7575380, 11363070, 13635684, 17044605, 22726140, 34089210, 68178420]

約数ペア:

[(1, 68178420), (2, 34089210), (3, 22726140), (4, 17044605), (5, 13635684), (6, 11363070), (9, 7575380), (10, 6817842), (12, 5681535), (15, 4545228), (18, 3787690), (20, 3408921), (29, 2350980), (30, 2272614), (36, 1893845), (37, 1842660), (45, 1515076), (58, 1175490), (60, 1136307), (74, 921330), (87, 783660), (90, 757538), (111, 614220), (116, 587745), (145, 470196), (148, 460665), (174, 391830), (180, 378769), (185, 368532), (222, 307110), (261, 261220), (290, 235098), (333, 204740), (348, 195915), (353, 193140), (370, 184266), (435, 156732), (444, 153555), (522, 130610), (555, 122844), (580, 117549), (666, 102370), (706, 96570), (740, 92133), (870, 78366), (1044, 65305), (1059, 64380), (1073, 63540), (1110, 61422), (1305, 52244), (1332, 51185), (1412, 48285), (1665, 40948), (1740, 39183), (1765, 38628), (2118, 32190), (2146, 31770), (2220, 30711), (2610, 26122), (3177, 21460), (3219, 21180), (3330, 20474), (3530, 19314), (4236, 16095), (4292, 15885), (5220, 13061), (5295, 12876), (5365, 12708), (6354, 10730), (6438, 10590), (6660, 10237), (7060, 9657)]