79936920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31721}}^1$

素因数の和:31745

約数の個数: 96

約数和(自身を含む): 296917920

約数和(自身を除く): 216981000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 31721, 63442, 95163, 126884, 158605, 190326, 222047, 253768, 285489, 317210, 380652, 444094, 475815, 570978, 634420, 666141, 761304, 888188, 951630, 1110235, 1141956, 1268840, 1332282, 1427445, 1776376, 1903260, 1998423, 2220470, 2283912, 2664564, 2854890, 3330705, 3806520, 3996846, 4440940, 5329128, 5709780, 6661410, 7993692, 8881880, 9992115, 11419560, 13322820, 15987384, 19984230, 26645640, 39968460, 79936920]

約数ペア:

[(1, 79936920), (2, 39968460), (3, 26645640), (4, 19984230), (5, 15987384), (6, 13322820), (7, 11419560), (8, 9992115), (9, 8881880), (10, 7993692), (12, 6661410), (14, 5709780), (15, 5329128), (18, 4440940), (20, 3996846), (21, 3806520), (24, 3330705), (28, 2854890), (30, 2664564), (35, 2283912), (36, 2220470), (40, 1998423), (42, 1903260), (45, 1776376), (56, 1427445), (60, 1332282), (63, 1268840), (70, 1141956), (72, 1110235), (84, 951630), (90, 888188), (105, 761304), (120, 666141), (126, 634420), (140, 570978), (168, 475815), (180, 444094), (210, 380652), (252, 317210), (280, 285489), (315, 253768), (360, 222047), (420, 190326), (504, 158605), (630, 126884), (840, 95163), (1260, 63442), (2520, 31721)]