219317580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^2$

素因数の和:348

約数の個数: 108

約数和(自身を含む): 679822416

約数和(自身を除く): 460504836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 131, 142, 180, 213, 262, 284, 355, 393, 426, 524, 639, 655, 710, 786, 852, 1065, 1179, 1278, 1310, 1420, 1572, 1965, 2130, 2358, 2556, 2620, 3195, 3930, 4260, 4716, 5895, 6390, 7860, 9301, 11790, 12780, 17161, 18602, 23580, 27903, 34322, 37204, 46505, 51483, 55806, 68644, 83709, 85805, 93010, 102966, 111612, 139515, 154449, 167418, 171610, 186020, 205932, 257415, 279030, 308898, 334836, 343220, 418545, 514830, 558060, 617796, 772245, 837090, 1029660, 1218431, 1544490, 1674180, 2436862, 3088980, 3655293, 4873724, 6092155, 7310586, 10965879, 12184310, 14621172, 18276465, 21931758, 24368620, 36552930, 43863516, 54829395, 73105860, 109658790, 219317580]

約数ペア:

[(1, 219317580), (2, 109658790), (3, 73105860), (4, 54829395), (5, 43863516), (6, 36552930), (9, 24368620), (10, 21931758), (12, 18276465), (15, 14621172), (18, 12184310), (20, 10965879), (30, 7310586), (36, 6092155), (45, 4873724), (60, 3655293), (71, 3088980), (90, 2436862), (131, 1674180), (142, 1544490), (180, 1218431), (213, 1029660), (262, 837090), (284, 772245), (355, 617796), (393, 558060), (426, 514830), (524, 418545), (639, 343220), (655, 334836), (710, 308898), (786, 279030), (852, 257415), (1065, 205932), (1179, 186020), (1278, 171610), (1310, 167418), (1420, 154449), (1572, 139515), (1965, 111612), (2130, 102966), (2358, 93010), (2556, 85805), (2620, 83709), (3195, 68644), (3930, 55806), (4260, 51483), (4716, 46505), (5895, 37204), (6390, 34322), (7860, 27903), (9301, 23580), (11790, 18602), (12780, 17161)]