643212180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8867}}^1$

素因数の和:8926

約数の個数: 144

約数和(自身を含む): 2169183744

約数和(自身を除く): 1525971564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 3627, 4030, 4836, 5580, 6045, 7254, 8060, 8867, 12090, 14508, 17734, 18135, 24180, 26601, 35468, 36270, 44335, 53202, 72540, 79803, 88670, 106404, 115271, 133005, 159606, 177340, 230542, 266010, 274877, 319212, 345813, 399015, 461084, 532020, 549754, 576355, 691626, 798030, 824631, 1037439, 1099508, 1152710, 1374385, 1383252, 1596060, 1649262, 1729065, 2074878, 2305420, 2473893, 2748770, 3298524, 3458130, 3573401, 4123155, 4149756, 4947786, 5187195, 5497540, 6916260, 7146802, 8246310, 9895572, 10374390, 10720203, 12369465, 14293604, 16492620, 17867005, 20748780, 21440406, 24738930, 32160609, 35734010, 42880812, 49477860, 53601015, 64321218, 71468020, 107202030, 128642436, 160803045, 214404060, 321606090, 643212180]

約数ペア:

[(1, 643212180), (2, 321606090), (3, 214404060), (4, 160803045), (5, 128642436), (6, 107202030), (9, 71468020), (10, 64321218), (12, 53601015), (13, 49477860), (15, 42880812), (18, 35734010), (20, 32160609), (26, 24738930), (30, 21440406), (31, 20748780), (36, 17867005), (39, 16492620), (45, 14293604), (52, 12369465), (60, 10720203), (62, 10374390), (65, 9895572), (78, 8246310), (90, 7146802), (93, 6916260), (117, 5497540), (124, 5187195), (130, 4947786), (155, 4149756), (156, 4123155), (180, 3573401), (186, 3458130), (195, 3298524), (234, 2748770), (260, 2473893), (279, 2305420), (310, 2074878), (372, 1729065), (390, 1649262), (403, 1596060), (465, 1383252), (468, 1374385), (558, 1152710), (585, 1099508), (620, 1037439), (780, 824631), (806, 798030), (930, 691626), (1116, 576355), (1170, 549754), (1209, 532020), (1395, 461084), (1612, 399015), (1860, 345813), (2015, 319212), (2340, 274877), (2418, 266010), (2790, 230542), (3627, 177340), (4030, 159606), (4836, 133005), (5580, 115271), (6045, 106404), (7254, 88670), (8060, 79803), (8867, 72540), (12090, 53202), (14508, 44335), (17734, 36270), (18135, 35468), (24180, 26601)]