28180260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3331}}^1$

素因数の和:3393

約数の個数: 72

約数和(自身を含む): 87325056

約数和(自身を除く): 59144796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 3331, 4230, 6662, 8460, 9993, 13324, 16655, 19986, 29979, 33310, 39972, 49965, 59958, 66620, 99930, 119916, 149895, 156557, 199860, 299790, 313114, 469671, 599580, 626228, 782785, 939342, 1409013, 1565570, 1878684, 2348355, 2818026, 3131140, 4696710, 5636052, 7045065, 9393420, 14090130, 28180260]

約数ペア:

[(1, 28180260), (2, 14090130), (3, 9393420), (4, 7045065), (5, 5636052), (6, 4696710), (9, 3131140), (10, 2818026), (12, 2348355), (15, 1878684), (18, 1565570), (20, 1409013), (30, 939342), (36, 782785), (45, 626228), (47, 599580), (60, 469671), (90, 313114), (94, 299790), (141, 199860), (180, 156557), (188, 149895), (235, 119916), (282, 99930), (423, 66620), (470, 59958), (564, 49965), (705, 39972), (846, 33310), (940, 29979), (1410, 19986), (1692, 16655), (2115, 13324), (2820, 9993), (3331, 8460), (4230, 6662)]