208620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 677040

約数和(自身を除く): 468420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 61, 76, 90, 95, 114, 122, 171, 180, 183, 190, 228, 244, 285, 305, 342, 366, 380, 549, 570, 610, 684, 732, 855, 915, 1098, 1140, 1159, 1220, 1710, 1830, 2196, 2318, 2745, 3420, 3477, 3660, 4636, 5490, 5795, 6954, 10431, 10980, 11590, 13908, 17385, 20862, 23180, 34770, 41724, 52155, 69540, 104310, 208620]

約数ペア:

[(1, 208620), (2, 104310), (3, 69540), (4, 52155), (5, 41724), (6, 34770), (9, 23180), (10, 20862), (12, 17385), (15, 13908), (18, 11590), (19, 10980), (20, 10431), (30, 6954), (36, 5795), (38, 5490), (45, 4636), (57, 3660), (60, 3477), (61, 3420), (76, 2745), (90, 2318), (95, 2196), (114, 1830), (122, 1710), (171, 1220), (180, 1159), (183, 1140), (190, 1098), (228, 915), (244, 855), (285, 732), (305, 684), (342, 610), (366, 570), (380, 549)]