215914620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211681}}^1$

素因数の和:211710

約数の個数: 48

約数和(自身を含む): 640126368

約数和(自身を除く): 424211748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 211681, 423362, 635043, 846724, 1058405, 1270086, 2116810, 2540172, 3175215, 3598577, 4233620, 6350430, 7197154, 10795731, 12700860, 14394308, 17992885, 21591462, 35985770, 43182924, 53978655, 71971540, 107957310, 215914620]

約数ペア:

[(1, 215914620), (2, 107957310), (3, 71971540), (4, 53978655), (5, 43182924), (6, 35985770), (10, 21591462), (12, 17992885), (15, 14394308), (17, 12700860), (20, 10795731), (30, 7197154), (34, 6350430), (51, 4233620), (60, 3598577), (68, 3175215), (85, 2540172), (102, 2116810), (170, 1270086), (204, 1058405), (255, 846724), (340, 635043), (510, 423362), (1020, 211681)]