291028140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1063}}^1$

素因数の和:1110

約数の個数: 180

約数和(自身を含む): 989526384

約数和(自身を除く): 698498244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 169, 180, 195, 234, 260, 270, 324, 338, 351, 390, 405, 468, 507, 540, 585, 676, 702, 780, 810, 845, 1014, 1053, 1063, 1170, 1404, 1521, 1620, 1690, 1755, 2028, 2106, 2126, 2340, 2535, 3042, 3189, 3380, 3510, 4212, 4252, 4563, 5070, 5265, 5315, 6084, 6378, 7020, 7605, 9126, 9567, 10140, 10530, 10630, 12756, 13689, 13819, 15210, 15945, 18252, 19134, 21060, 21260, 22815, 27378, 27638, 28701, 30420, 31890, 38268, 41457, 45630, 47835, 54756, 55276, 57402, 63780, 68445, 69095, 82914, 86103, 91260, 95670, 114804, 124371, 136890, 138190, 143505, 165828, 172206, 179647, 191340, 207285, 248742, 273780, 276380, 287010, 344412, 359294, 373113, 414570, 430515, 497484, 538941, 574020, 621855, 718588, 746226, 829140, 861030, 898235, 1077882, 1119339, 1243710, 1492452, 1616823, 1722060, 1796470, 1865565, 2155764, 2238678, 2487420, 2694705, 3233646, 3592940, 3731130, 4477356, 4850469, 5389410, 5596695, 6467292, 7462260, 8084115, 9700938, 10778820, 11193390, 14551407, 16168230, 19401876, 22386780, 24252345, 29102814, 32336460, 48504690, 58205628, 72757035, 97009380, 145514070, 291028140]

約数ペア:

[(1, 291028140), (2, 145514070), (3, 97009380), (4, 72757035), (5, 58205628), (6, 48504690), (9, 32336460), (10, 29102814), (12, 24252345), (13, 22386780), (15, 19401876), (18, 16168230), (20, 14551407), (26, 11193390), (27, 10778820), (30, 9700938), (36, 8084115), (39, 7462260), (45, 6467292), (52, 5596695), (54, 5389410), (60, 4850469), (65, 4477356), (78, 3731130), (81, 3592940), (90, 3233646), (108, 2694705), (117, 2487420), (130, 2238678), (135, 2155764), (156, 1865565), (162, 1796470), (169, 1722060), (180, 1616823), (195, 1492452), (234, 1243710), (260, 1119339), (270, 1077882), (324, 898235), (338, 861030), (351, 829140), (390, 746226), (405, 718588), (468, 621855), (507, 574020), (540, 538941), (585, 497484), (676, 430515), (702, 414570), (780, 373113), (810, 359294), (845, 344412), (1014, 287010), (1053, 276380), (1063, 273780), (1170, 248742), (1404, 207285), (1521, 191340), (1620, 179647), (1690, 172206), (1755, 165828), (2028, 143505), (2106, 138190), (2126, 136890), (2340, 124371), (2535, 114804), (3042, 95670), (3189, 91260), (3380, 86103), (3510, 82914), (4212, 69095), (4252, 68445), (4563, 63780), (5070, 57402), (5265, 55276), (5315, 54756), (6084, 47835), (6378, 45630), (7020, 41457), (7605, 38268), (9126, 31890), (9567, 30420), (10140, 28701), (10530, 27638), (10630, 27378), (12756, 22815), (13689, 21260), (13819, 21060), (15210, 19134), (15945, 18252)]