81343260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15583}}^1$

素因数の和:15627

約数の個数: 72

約数和(自身を含む): 255265920

約数和(自身を除く): 173922660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 15583, 31166, 46749, 62332, 77915, 93498, 140247, 155830, 186996, 233745, 280494, 311660, 451907, 467490, 560988, 701235, 903814, 934980, 1355721, 1402470, 1807628, 2259535, 2711442, 2804940, 4067163, 4519070, 5422884, 6778605, 8134326, 9038140, 13557210, 16268652, 20335815, 27114420, 40671630, 81343260]

約数ペア:

[(1, 81343260), (2, 40671630), (3, 27114420), (4, 20335815), (5, 16268652), (6, 13557210), (9, 9038140), (10, 8134326), (12, 6778605), (15, 5422884), (18, 4519070), (20, 4067163), (29, 2804940), (30, 2711442), (36, 2259535), (45, 1807628), (58, 1402470), (60, 1355721), (87, 934980), (90, 903814), (116, 701235), (145, 560988), (174, 467490), (180, 451907), (261, 311660), (290, 280494), (348, 233745), (435, 186996), (522, 155830), (580, 140247), (870, 93498), (1044, 77915), (1305, 62332), (1740, 46749), (2610, 31166), (5220, 15583)]