128427180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17987}}^1$

素因数の和:18023

約数の個数: 96

約数和(自身を含む): 435165696

約数和(自身を除く): 306738516

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, 17987, 35974, 53961, 71948, 89935, 107922, 125909, 179870, 215844, 251818, 269805, 305779, 359740, 377727, 503636, 539610, 611558, 629545, 755454, 917337, 1079220, 1223116, 1259090, 1510908, 1528895, 1834674, 1888635, 2140453, 2518180, 3057790, 3669348, 3777270, 4280906, 4586685, 6115580, 6421359, 7554540, 8561812, 9173370, 10702265, 12842718, 18346740, 21404530, 25685436, 32106795, 42809060, 64213590, 128427180]

約数ペア:

[(1, 128427180), (2, 64213590), (3, 42809060), (4, 32106795), (5, 25685436), (6, 21404530), (7, 18346740), (10, 12842718), (12, 10702265), (14, 9173370), (15, 8561812), (17, 7554540), (20, 6421359), (21, 6115580), (28, 4586685), (30, 4280906), (34, 3777270), (35, 3669348), (42, 3057790), (51, 2518180), (60, 2140453), (68, 1888635), (70, 1834674), (84, 1528895), (85, 1510908), (102, 1259090), (105, 1223116), (119, 1079220), (140, 917337), (170, 755454), (204, 629545), (210, 611558), (238, 539610), (255, 503636), (340, 377727), (357, 359740), (420, 305779), (476, 269805), (510, 251818), (595, 215844), (714, 179870), (1020, 125909), (1190, 107922), (1428, 89935), (1785, 71948), (2380, 53961), (3570, 35974), (7140, 17987)]