211458780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3929}}^1$

素因数の和:3980

約数の個数: 144

約数和(自身を含む): 720982080

約数和(自身を除く): 509523300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 390, 414, 460, 468, 585, 598, 690, 780, 828, 897, 1035, 1170, 1196, 1380, 1495, 1794, 2070, 2340, 2691, 2990, 3588, 3929, 4140, 4485, 5382, 5980, 7858, 8970, 10764, 11787, 13455, 15716, 17940, 19645, 23574, 26910, 35361, 39290, 47148, 51077, 53820, 58935, 70722, 78580, 90367, 102154, 117870, 141444, 153231, 176805, 180734, 204308, 235740, 255385, 271101, 306462, 353610, 361468, 451835, 459693, 510770, 542202, 612924, 707220, 766155, 813303, 903670, 919386, 1021540, 1084404, 1174771, 1355505, 1532310, 1626606, 1807340, 1838772, 2298465, 2349542, 2711010, 3064620, 3253212, 3524313, 4066515, 4596930, 4699084, 5422020, 5873855, 7048626, 8133030, 9193860, 10572939, 11747710, 14097252, 16266060, 17621565, 21145878, 23495420, 35243130, 42291756, 52864695, 70486260, 105729390, 211458780]

約数ペア:

[(1, 211458780), (2, 105729390), (3, 70486260), (4, 52864695), (5, 42291756), (6, 35243130), (9, 23495420), (10, 21145878), (12, 17621565), (13, 16266060), (15, 14097252), (18, 11747710), (20, 10572939), (23, 9193860), (26, 8133030), (30, 7048626), (36, 5873855), (39, 5422020), (45, 4699084), (46, 4596930), (52, 4066515), (60, 3524313), (65, 3253212), (69, 3064620), (78, 2711010), (90, 2349542), (92, 2298465), (115, 1838772), (117, 1807340), (130, 1626606), (138, 1532310), (156, 1355505), (180, 1174771), (195, 1084404), (207, 1021540), (230, 919386), (234, 903670), (260, 813303), (276, 766155), (299, 707220), (345, 612924), (390, 542202), (414, 510770), (460, 459693), (468, 451835), (585, 361468), (598, 353610), (690, 306462), (780, 271101), (828, 255385), (897, 235740), (1035, 204308), (1170, 180734), (1196, 176805), (1380, 153231), (1495, 141444), (1794, 117870), (2070, 102154), (2340, 90367), (2691, 78580), (2990, 70722), (3588, 58935), (3929, 53820), (4140, 51077), (4485, 47148), (5382, 39290), (5980, 35361), (7858, 26910), (8970, 23574), (10764, 19645), (11787, 17940), (13455, 15716)]