26427660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 87907680

約数和(自身を除く): 61480020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 89, 98, 101, 105, 140, 147, 178, 196, 202, 210, 245, 267, 294, 303, 356, 404, 420, 445, 490, 505, 534, 588, 606, 623, 707, 735, 890, 980, 1010, 1068, 1212, 1246, 1335, 1414, 1470, 1515, 1780, 1869, 2020, 2121, 2492, 2670, 2828, 2940, 3030, 3115, 3535, 3738, 4242, 4361, 4949, 5340, 6060, 6230, 7070, 7476, 8484, 8722, 8989, 9345, 9898, 10605, 12460, 13083, 14140, 14847, 17444, 17978, 18690, 19796, 21210, 21805, 24745, 26166, 26967, 29694, 35956, 37380, 42420, 43610, 44945, 49490, 52332, 53934, 59388, 62923, 65415, 74235, 87220, 89890, 98980, 107868, 125846, 130830, 134835, 148470, 179780, 188769, 251692, 261660, 269670, 296940, 314615, 377538, 440461, 539340, 629230, 755076, 880922, 943845, 1258460, 1321383, 1761844, 1887690, 2202305, 2642766, 3775380, 4404610, 5285532, 6606915, 8809220, 13213830, 26427660]

約数ペア:

[(1, 26427660), (2, 13213830), (3, 8809220), (4, 6606915), (5, 5285532), (6, 4404610), (7, 3775380), (10, 2642766), (12, 2202305), (14, 1887690), (15, 1761844), (20, 1321383), (21, 1258460), (28, 943845), (30, 880922), (35, 755076), (42, 629230), (49, 539340), (60, 440461), (70, 377538), (84, 314615), (89, 296940), (98, 269670), (101, 261660), (105, 251692), (140, 188769), (147, 179780), (178, 148470), (196, 134835), (202, 130830), (210, 125846), (245, 107868), (267, 98980), (294, 89890), (303, 87220), (356, 74235), (404, 65415), (420, 62923), (445, 59388), (490, 53934), (505, 52332), (534, 49490), (588, 44945), (606, 43610), (623, 42420), (707, 37380), (735, 35956), (890, 29694), (980, 26967), (1010, 26166), (1068, 24745), (1212, 21805), (1246, 21210), (1335, 19796), (1414, 18690), (1470, 17978), (1515, 17444), (1780, 14847), (1869, 14140), (2020, 13083), (2121, 12460), (2492, 10605), (2670, 9898), (2828, 9345), (2940, 8989), (3030, 8722), (3115, 8484), (3535, 7476), (3738, 7070), (4242, 6230), (4361, 6060), (4949, 5340)]