87416820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17987}}^1$

素因数の和:18011

約数の個数: 72

約数和(自身を含む): 275000544

約数和(自身を除く): 187583724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 17987, 35974, 53961, 71948, 89935, 107922, 161883, 179870, 215844, 269805, 323766, 359740, 485649, 539610, 647532, 809415, 971298, 1079220, 1456947, 1618830, 1942596, 2428245, 2913894, 3237660, 4370841, 4856490, 5827788, 7284735, 8741682, 9712980, 14569470, 17483364, 21854205, 29138940, 43708410, 87416820]

約数ペア:

[(1, 87416820), (2, 43708410), (3, 29138940), (4, 21854205), (5, 17483364), (6, 14569470), (9, 9712980), (10, 8741682), (12, 7284735), (15, 5827788), (18, 4856490), (20, 4370841), (27, 3237660), (30, 2913894), (36, 2428245), (45, 1942596), (54, 1618830), (60, 1456947), (81, 1079220), (90, 971298), (108, 809415), (135, 647532), (162, 539610), (180, 485649), (243, 359740), (270, 323766), (324, 269805), (405, 215844), (486, 179870), (540, 161883), (810, 107922), (972, 89935), (1215, 71948), (1620, 53961), (2430, 35974), (4860, 17987)]