128977380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:403

約数の個数: 192

約数和(自身を含む): 463680000

約数和(自身を除く): 334702620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 149, 180, 189, 210, 229, 252, 270, 298, 315, 378, 420, 447, 458, 540, 596, 630, 687, 745, 756, 894, 916, 945, 1043, 1145, 1260, 1341, 1374, 1490, 1603, 1788, 1890, 2061, 2086, 2235, 2290, 2682, 2748, 2980, 3129, 3206, 3435, 3780, 4023, 4122, 4172, 4470, 4580, 4809, 5215, 5364, 6183, 6258, 6412, 6705, 6870, 8015, 8046, 8244, 8940, 9387, 9618, 10305, 10430, 12366, 12516, 13410, 13740, 14427, 15645, 16030, 16092, 18774, 19236, 20115, 20610, 20860, 24045, 24732, 26820, 28161, 28854, 30915, 31290, 32060, 34121, 37548, 40230, 41220, 43281, 46935, 48090, 56322, 57708, 61830, 62580, 68242, 72135, 80460, 86562, 93870, 96180, 102363, 112644, 123660, 136484, 140805, 144270, 170605, 173124, 187740, 204726, 216405, 238847, 281610, 288540, 307089, 341210, 409452, 432810, 477694, 511815, 563220, 614178, 682420, 716541, 865620, 921267, 955388, 1023630, 1194235, 1228356, 1433082, 1535445, 1842534, 2047260, 2149623, 2388470, 2866164, 3070890, 3582705, 3685068, 4299246, 4606335, 4776940, 6141780, 6448869, 7165410, 8598492, 9212670, 10748115, 12897738, 14330820, 18425340, 21496230, 25795476, 32244345, 42992460, 64488690, 128977380]

約数ペア:

[(1, 128977380), (2, 64488690), (3, 42992460), (4, 32244345), (5, 25795476), (6, 21496230), (7, 18425340), (9, 14330820), (10, 12897738), (12, 10748115), (14, 9212670), (15, 8598492), (18, 7165410), (20, 6448869), (21, 6141780), (27, 4776940), (28, 4606335), (30, 4299246), (35, 3685068), (36, 3582705), (42, 3070890), (45, 2866164), (54, 2388470), (60, 2149623), (63, 2047260), (70, 1842534), (84, 1535445), (90, 1433082), (105, 1228356), (108, 1194235), (126, 1023630), (135, 955388), (140, 921267), (149, 865620), (180, 716541), (189, 682420), (210, 614178), (229, 563220), (252, 511815), (270, 477694), (298, 432810), (315, 409452), (378, 341210), (420, 307089), (447, 288540), (458, 281610), (540, 238847), (596, 216405), (630, 204726), (687, 187740), (745, 173124), (756, 170605), (894, 144270), (916, 140805), (945, 136484), (1043, 123660), (1145, 112644), (1260, 102363), (1341, 96180), (1374, 93870), (1490, 86562), (1603, 80460), (1788, 72135), (1890, 68242), (2061, 62580), (2086, 61830), (2235, 57708), (2290, 56322), (2682, 48090), (2748, 46935), (2980, 43281), (3129, 41220), (3206, 40230), (3435, 37548), (3780, 34121), (4023, 32060), (4122, 31290), (4172, 30915), (4470, 28854), (4580, 28161), (4809, 26820), (5215, 24732), (5364, 24045), (6183, 20860), (6258, 20610), (6412, 20115), (6705, 19236), (6870, 18774), (8015, 16092), (8046, 16030), (8244, 15645), (8940, 14427), (9387, 13740), (9618, 13410), (10305, 12516), (10430, 12366)]