990853020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:549

約数の個数: 192

約数和(自身を含む): 3184272000

約数和(自身を除く): 2193418980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 89, 90, 106, 108, 135, 159, 178, 180, 212, 265, 267, 270, 318, 356, 389, 445, 477, 530, 534, 540, 636, 778, 795, 801, 890, 954, 1060, 1068, 1167, 1335, 1431, 1556, 1590, 1602, 1780, 1908, 1945, 2334, 2385, 2403, 2670, 2862, 3180, 3204, 3501, 3890, 4005, 4668, 4717, 4770, 4806, 5340, 5724, 5835, 7002, 7155, 7780, 8010, 9434, 9540, 9612, 10503, 11670, 12015, 14004, 14151, 14310, 16020, 17505, 18868, 20617, 21006, 23340, 23585, 24030, 28302, 28620, 34621, 35010, 41234, 42012, 42453, 47170, 48060, 52515, 56604, 61851, 69242, 70020, 70755, 82468, 84906, 94340, 103085, 103863, 105030, 123702, 127359, 138484, 141510, 169812, 173105, 185553, 206170, 207726, 210060, 212265, 247404, 254718, 283020, 309255, 311589, 346210, 371106, 412340, 415452, 424530, 509436, 519315, 556659, 618510, 623178, 636795, 692420, 742212, 849060, 927765, 934767, 1038630, 1113318, 1237020, 1246356, 1273590, 1557945, 1834913, 1855530, 1869534, 2077260, 2226636, 2547180, 2783295, 3115890, 3669826, 3711060, 3739068, 4673835, 5504739, 5566590, 6231780, 7339652, 9174565, 9347670, 11009478, 11133180, 16514217, 18349130, 18695340, 22018956, 27523695, 33028434, 36698260, 49542651, 55047390, 66056868, 82571085, 99085302, 110094780, 165142170, 198170604, 247713255, 330284340, 495426510, 990853020]

約数ペア:

[(1, 990853020), (2, 495426510), (3, 330284340), (4, 247713255), (5, 198170604), (6, 165142170), (9, 110094780), (10, 99085302), (12, 82571085), (15, 66056868), (18, 55047390), (20, 49542651), (27, 36698260), (30, 33028434), (36, 27523695), (45, 22018956), (53, 18695340), (54, 18349130), (60, 16514217), (89, 11133180), (90, 11009478), (106, 9347670), (108, 9174565), (135, 7339652), (159, 6231780), (178, 5566590), (180, 5504739), (212, 4673835), (265, 3739068), (267, 3711060), (270, 3669826), (318, 3115890), (356, 2783295), (389, 2547180), (445, 2226636), (477, 2077260), (530, 1869534), (534, 1855530), (540, 1834913), (636, 1557945), (778, 1273590), (795, 1246356), (801, 1237020), (890, 1113318), (954, 1038630), (1060, 934767), (1068, 927765), (1167, 849060), (1335, 742212), (1431, 692420), (1556, 636795), (1590, 623178), (1602, 618510), (1780, 556659), (1908, 519315), (1945, 509436), (2334, 424530), (2385, 415452), (2403, 412340), (2670, 371106), (2862, 346210), (3180, 311589), (3204, 309255), (3501, 283020), (3890, 254718), (4005, 247404), (4668, 212265), (4717, 210060), (4770, 207726), (4806, 206170), (5340, 185553), (5724, 173105), (5835, 169812), (7002, 141510), (7155, 138484), (7780, 127359), (8010, 123702), (9434, 105030), (9540, 103863), (9612, 103085), (10503, 94340), (11670, 84906), (12015, 82468), (14004, 70755), (14151, 70020), (14310, 69242), (16020, 61851), (17505, 56604), (18868, 52515), (20617, 48060), (21006, 47170), (23340, 42453), (23585, 42012), (24030, 41234), (28302, 35010), (28620, 34621)]