80815980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{607}}^1$

素因数の和:943

約数の個数: 96

約数和(自身を含む): 259854336

約数和(自身を除く): 179038356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 317, 420, 607, 634, 951, 1214, 1268, 1585, 1821, 1902, 2219, 2428, 3035, 3170, 3642, 3804, 4249, 4438, 4755, 6070, 6340, 6657, 7284, 8498, 8876, 9105, 9510, 11095, 12140, 12747, 13314, 16996, 18210, 19020, 21245, 22190, 25494, 26628, 33285, 36420, 42490, 44380, 50988, 63735, 66570, 84980, 127470, 133140, 192419, 254940, 384838, 577257, 769676, 962095, 1154514, 1346933, 1924190, 2309028, 2693866, 2886285, 3848380, 4040799, 5387732, 5772570, 6734665, 8081598, 11545140, 13469330, 16163196, 20203995, 26938660, 40407990, 80815980]

約数ペア:

[(1, 80815980), (2, 40407990), (3, 26938660), (4, 20203995), (5, 16163196), (6, 13469330), (7, 11545140), (10, 8081598), (12, 6734665), (14, 5772570), (15, 5387732), (20, 4040799), (21, 3848380), (28, 2886285), (30, 2693866), (35, 2309028), (42, 1924190), (60, 1346933), (70, 1154514), (84, 962095), (105, 769676), (140, 577257), (210, 384838), (317, 254940), (420, 192419), (607, 133140), (634, 127470), (951, 84980), (1214, 66570), (1268, 63735), (1585, 50988), (1821, 44380), (1902, 42490), (2219, 36420), (2428, 33285), (3035, 26628), (3170, 25494), (3642, 22190), (3804, 21245), (4249, 19020), (4438, 18210), (4755, 16996), (6070, 13314), (6340, 12747), (6657, 12140), (7284, 11095), (8498, 9510), (8876, 9105)]