80578620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23561}}^1$

素因数の和:23595

約数の個数: 72

約数和(自身を含む): 257297040

約数和(自身を除く): 176718420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 23561, 47122, 70683, 94244, 117805, 141366, 212049, 235610, 282732, 353415, 424098, 447659, 471220, 706830, 848196, 895318, 1060245, 1342977, 1413660, 1790636, 2120490, 2238295, 2685954, 4028931, 4240980, 4476590, 5371908, 6714885, 8057862, 8953180, 13429770, 16115724, 20144655, 26859540, 40289310, 80578620]

約数ペア:

[(1, 80578620), (2, 40289310), (3, 26859540), (4, 20144655), (5, 16115724), (6, 13429770), (9, 8953180), (10, 8057862), (12, 6714885), (15, 5371908), (18, 4476590), (19, 4240980), (20, 4028931), (30, 2685954), (36, 2238295), (38, 2120490), (45, 1790636), (57, 1413660), (60, 1342977), (76, 1060245), (90, 895318), (95, 848196), (114, 706830), (171, 471220), (180, 447659), (190, 424098), (228, 353415), (285, 282732), (342, 235610), (380, 212049), (570, 141366), (684, 117805), (855, 94244), (1140, 70683), (1710, 47122), (3420, 23561)]