72521820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{57557}}^1$

素因数の和:57579

約数の個数: 72

約数和(自身を含む): 251413344

約数和(自身を除く): 178891524

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 57557, 115114, 172671, 230228, 287785, 345342, 402899, 518013, 575570, 690684, 805798, 863355, 1036026, 1151140, 1208697, 1611596, 1726710, 2014495, 2072052, 2417394, 2590065, 3453420, 3626091, 4028990, 4834788, 5180130, 6043485, 7252182, 8057980, 10360260, 12086970, 14504364, 18130455, 24173940, 36260910, 72521820]

約数ペア:

[(1, 72521820), (2, 36260910), (3, 24173940), (4, 18130455), (5, 14504364), (6, 12086970), (7, 10360260), (9, 8057980), (10, 7252182), (12, 6043485), (14, 5180130), (15, 4834788), (18, 4028990), (20, 3626091), (21, 3453420), (28, 2590065), (30, 2417394), (35, 2072052), (36, 2014495), (42, 1726710), (45, 1611596), (60, 1208697), (63, 1151140), (70, 1036026), (84, 863355), (90, 805798), (105, 690684), (126, 575570), (140, 518013), (180, 402899), (210, 345342), (252, 287785), (315, 230228), (420, 172671), (630, 115114), (1260, 57557)]