81305700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{5531}}^1$

素因数の和:5562

約数の個数: 108

約数和(自身を含む): 273701232

約数和(自身を除く): 192395532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 350, 420, 490, 525, 588, 700, 735, 980, 1050, 1225, 1470, 2100, 2450, 2940, 3675, 4900, 5531, 7350, 11062, 14700, 16593, 22124, 27655, 33186, 38717, 55310, 66372, 77434, 82965, 110620, 116151, 138275, 154868, 165930, 193585, 232302, 271019, 276550, 331860, 387170, 414825, 464604, 542038, 553100, 580755, 774340, 813057, 829650, 967925, 1084076, 1161510, 1355095, 1626114, 1659300, 1935850, 2323020, 2710190, 2903775, 3252228, 3871700, 4065285, 5420380, 5807550, 6775475, 8130570, 11615100, 13550950, 16261140, 20326425, 27101900, 40652850, 81305700]

約数ペア:

[(1, 81305700), (2, 40652850), (3, 27101900), (4, 20326425), (5, 16261140), (6, 13550950), (7, 11615100), (10, 8130570), (12, 6775475), (14, 5807550), (15, 5420380), (20, 4065285), (21, 3871700), (25, 3252228), (28, 2903775), (30, 2710190), (35, 2323020), (42, 1935850), (49, 1659300), (50, 1626114), (60, 1355095), (70, 1161510), (75, 1084076), (84, 967925), (98, 829650), (100, 813057), (105, 774340), (140, 580755), (147, 553100), (150, 542038), (175, 464604), (196, 414825), (210, 387170), (245, 331860), (294, 276550), (300, 271019), (350, 232302), (420, 193585), (490, 165930), (525, 154868), (588, 138275), (700, 116151), (735, 110620), (980, 82965), (1050, 77434), (1225, 66372), (1470, 55310), (2100, 38717), (2450, 33186), (2940, 27655), (3675, 22124), (4900, 16593), (5531, 14700), (7350, 11062)]