78500940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{26701}}^1$

素因数の和:26727

約数の個数: 72

約数和(自身を含む): 255698352

約数和(自身を除く): 177197412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 26701, 53402, 80103, 106804, 133505, 160206, 186907, 267010, 320412, 373814, 400515, 534020, 560721, 747628, 801030, 934535, 1121442, 1308349, 1602060, 1869070, 2242884, 2616698, 2803605, 3738140, 3925047, 5233396, 5607210, 6541745, 7850094, 11214420, 13083490, 15700188, 19625235, 26166980, 39250470, 78500940]

約数ペア:

[(1, 78500940), (2, 39250470), (3, 26166980), (4, 19625235), (5, 15700188), (6, 13083490), (7, 11214420), (10, 7850094), (12, 6541745), (14, 5607210), (15, 5233396), (20, 3925047), (21, 3738140), (28, 2803605), (30, 2616698), (35, 2242884), (42, 1869070), (49, 1602060), (60, 1308349), (70, 1121442), (84, 934535), (98, 801030), (105, 747628), (140, 560721), (147, 534020), (196, 400515), (210, 373814), (245, 320412), (294, 267010), (420, 186907), (490, 160206), (588, 133505), (735, 106804), (980, 80103), (1470, 53402), (2940, 26701)]