217965960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19531}}^1$

素因数の和:19579

約数の個数: 96

約数和(自身を含む): 731278080

約数和(自身を除く): 513312120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 19531, 39062, 58593, 78124, 97655, 117186, 156248, 175779, 195310, 234372, 292965, 351558, 390620, 468744, 585930, 605461, 703116, 781240, 878895, 1171860, 1210922, 1406232, 1757790, 1816383, 2343720, 2421844, 3027305, 3515580, 3632766, 4843688, 5449149, 6054610, 7031160, 7265532, 9081915, 10898298, 12109220, 14531064, 18163830, 21796596, 24218440, 27245745, 36327660, 43593192, 54491490, 72655320, 108982980, 217965960]

約数ペア:

[(1, 217965960), (2, 108982980), (3, 72655320), (4, 54491490), (5, 43593192), (6, 36327660), (8, 27245745), (9, 24218440), (10, 21796596), (12, 18163830), (15, 14531064), (18, 12109220), (20, 10898298), (24, 9081915), (30, 7265532), (31, 7031160), (36, 6054610), (40, 5449149), (45, 4843688), (60, 3632766), (62, 3515580), (72, 3027305), (90, 2421844), (93, 2343720), (120, 1816383), (124, 1757790), (155, 1406232), (180, 1210922), (186, 1171860), (248, 878895), (279, 781240), (310, 703116), (360, 605461), (372, 585930), (465, 468744), (558, 390620), (620, 351558), (744, 292965), (930, 234372), (1116, 195310), (1240, 175779), (1395, 156248), (1860, 117186), (2232, 97655), (2790, 78124), (3720, 58593), (5580, 39062), (11160, 19531)]