81823140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{9277}}^1$

素因数の和:9306

約数の個数: 108

約数和(自身を含む): 288749916

約数和(自身を除く): 206926776

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 9277, 18554, 27831, 37108, 46385, 55662, 64939, 83493, 92770, 111324, 129878, 139155, 166986, 185540, 194817, 259756, 278310, 324695, 333972, 389634, 417465, 454573, 556620, 584451, 649390, 779268, 834930, 909146, 974085, 1168902, 1298780, 1363719, 1669860, 1818292, 1948170, 2272865, 2337804, 2727438, 2922255, 3896340, 4091157, 4545730, 5454876, 5844510, 6818595, 8182314, 9091460, 11689020, 13637190, 16364628, 20455785, 27274380, 40911570, 81823140]

約数ペア:

[(1, 81823140), (2, 40911570), (3, 27274380), (4, 20455785), (5, 16364628), (6, 13637190), (7, 11689020), (9, 9091460), (10, 8182314), (12, 6818595), (14, 5844510), (15, 5454876), (18, 4545730), (20, 4091157), (21, 3896340), (28, 2922255), (30, 2727438), (35, 2337804), (36, 2272865), (42, 1948170), (45, 1818292), (49, 1669860), (60, 1363719), (63, 1298780), (70, 1168902), (84, 974085), (90, 909146), (98, 834930), (105, 779268), (126, 649390), (140, 584451), (147, 556620), (180, 454573), (196, 417465), (210, 389634), (245, 333972), (252, 324695), (294, 278310), (315, 259756), (420, 194817), (441, 185540), (490, 166986), (588, 139155), (630, 129878), (735, 111324), (882, 92770), (980, 83493), (1260, 64939), (1470, 55662), (1764, 46385), (2205, 37108), (2940, 27831), (4410, 18554), (8820, 9277)]