81812850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{11131}}^1$

素因数の和:11160

約数の個数: 72

約数和(自身を含む): 236042928

約数和(自身を除く): 154230078

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 350, 490, 525, 735, 1050, 1225, 1470, 2450, 3675, 7350, 11131, 22262, 33393, 55655, 66786, 77917, 111310, 155834, 166965, 233751, 278275, 333930, 389585, 467502, 545419, 556550, 779170, 834825, 1090838, 1168755, 1636257, 1669650, 1947925, 2337510, 2727095, 3272514, 3895850, 5454190, 5843775, 8181285, 11687550, 13635475, 16362570, 27270950, 40906425, 81812850]

約数ペア:

[(1, 81812850), (2, 40906425), (3, 27270950), (5, 16362570), (6, 13635475), (7, 11687550), (10, 8181285), (14, 5843775), (15, 5454190), (21, 3895850), (25, 3272514), (30, 2727095), (35, 2337510), (42, 1947925), (49, 1669650), (50, 1636257), (70, 1168755), (75, 1090838), (98, 834825), (105, 779170), (147, 556550), (150, 545419), (175, 467502), (210, 389585), (245, 333930), (294, 278275), (350, 233751), (490, 166965), (525, 155834), (735, 111310), (1050, 77917), (1225, 66786), (1470, 55655), (2450, 33393), (3675, 22262), (7350, 11131)]