128735220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126211}}^1$

素因数の和:126240

約数の個数: 48

約数和(自身を含む): 381665088

約数和(自身を除く): 252929868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 126211, 252422, 378633, 504844, 631055, 757266, 1262110, 1514532, 1893165, 2145587, 2524220, 3786330, 4291174, 6436761, 7572660, 8582348, 10727935, 12873522, 21455870, 25747044, 32183805, 42911740, 64367610, 128735220]

約数ペア:

[(1, 128735220), (2, 64367610), (3, 42911740), (4, 32183805), (5, 25747044), (6, 21455870), (10, 12873522), (12, 10727935), (15, 8582348), (17, 7572660), (20, 6436761), (30, 4291174), (34, 3786330), (51, 2524220), (60, 2145587), (68, 1893165), (85, 1514532), (102, 1262110), (170, 757266), (204, 631055), (255, 504844), (340, 378633), (510, 252422), (1020, 126211)]