1331026380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389189}}^1$

素因数の和:389223

約数の個数: 72

約数和(自身を含む): 4249954800

約数和(自身を除く): 2918928420

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, 389189, 778378, 1167567, 1556756, 1945945, 2335134, 3502701, 3891890, 4670268, 5837835, 7005402, 7394591, 7783780, 11675670, 14010804, 14789182, 17513505, 22183773, 23351340, 29578364, 35027010, 36972955, 44367546, 66551319, 70054020, 73945910, 88735092, 110918865, 133102638, 147891820, 221837730, 266205276, 332756595, 443675460, 665513190, 1331026380]

約数ペア:

[(1, 1331026380), (2, 665513190), (3, 443675460), (4, 332756595), (5, 266205276), (6, 221837730), (9, 147891820), (10, 133102638), (12, 110918865), (15, 88735092), (18, 73945910), (19, 70054020), (20, 66551319), (30, 44367546), (36, 36972955), (38, 35027010), (45, 29578364), (57, 23351340), (60, 22183773), (76, 17513505), (90, 14789182), (95, 14010804), (114, 11675670), (171, 7783780), (180, 7394591), (190, 7005402), (228, 5837835), (285, 4670268), (342, 3891890), (380, 3502701), (570, 2335134), (684, 1945945), (855, 1556756), (1140, 1167567), (1710, 778378), (3420, 389189)]