90049140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21751}}^1$

素因数の和:21789

約数の個数: 72

約数和(自身を含む): 285038208

約数和(自身を除く): 194989068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 21751, 43502, 65253, 87004, 108755, 130506, 195759, 217510, 261012, 326265, 391518, 435020, 500273, 652530, 783036, 978795, 1000546, 1305060, 1500819, 1957590, 2001092, 2501365, 3001638, 3915180, 4502457, 5002730, 6003276, 7504095, 9004914, 10005460, 15008190, 18009828, 22512285, 30016380, 45024570, 90049140]

約数ペア:

[(1, 90049140), (2, 45024570), (3, 30016380), (4, 22512285), (5, 18009828), (6, 15008190), (9, 10005460), (10, 9004914), (12, 7504095), (15, 6003276), (18, 5002730), (20, 4502457), (23, 3915180), (30, 3001638), (36, 2501365), (45, 2001092), (46, 1957590), (60, 1500819), (69, 1305060), (90, 1000546), (92, 978795), (115, 783036), (138, 652530), (180, 500273), (207, 435020), (230, 391518), (276, 326265), (345, 261012), (414, 217510), (460, 195759), (690, 130506), (828, 108755), (1035, 87004), (1380, 65253), (2070, 43502), (4140, 21751)]