81474540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11411}}^1$

素因数の和:11447

約数の個数: 96

約数和(自身を含む): 276079104

約数和(自身を除く): 194604564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 11411, 22822, 34233, 45644, 57055, 68466, 79877, 114110, 136932, 159754, 171165, 193987, 228220, 239631, 319508, 342330, 387974, 399385, 479262, 581961, 684660, 775948, 798770, 958524, 969935, 1163922, 1198155, 1357909, 1597540, 1939870, 2327844, 2396310, 2715818, 2909805, 3879740, 4073727, 4792620, 5431636, 5819610, 6789545, 8147454, 11639220, 13579090, 16294908, 20368635, 27158180, 40737270, 81474540]

約数ペア:

[(1, 81474540), (2, 40737270), (3, 27158180), (4, 20368635), (5, 16294908), (6, 13579090), (7, 11639220), (10, 8147454), (12, 6789545), (14, 5819610), (15, 5431636), (17, 4792620), (20, 4073727), (21, 3879740), (28, 2909805), (30, 2715818), (34, 2396310), (35, 2327844), (42, 1939870), (51, 1597540), (60, 1357909), (68, 1198155), (70, 1163922), (84, 969935), (85, 958524), (102, 798770), (105, 775948), (119, 684660), (140, 581961), (170, 479262), (204, 399385), (210, 387974), (238, 342330), (255, 319508), (340, 239631), (357, 228220), (420, 193987), (476, 171165), (510, 159754), (595, 136932), (714, 114110), (1020, 79877), (1190, 68466), (1428, 57055), (1785, 45644), (2380, 34233), (3570, 22822), (7140, 11411)]