280450260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{82003}}^1$

素因数の和:82037

約数の個数: 72

約数和(自身を含む): 895483680

約数和(自身を除く): 615033420

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, 82003, 164006, 246009, 328012, 410015, 492018, 738027, 820030, 984036, 1230045, 1476054, 1558057, 1640060, 2460090, 2952108, 3116114, 3690135, 4674171, 4920180, 6232228, 7380270, 7790285, 9348342, 14022513, 14760540, 15580570, 18696684, 23370855, 28045026, 31161140, 46741710, 56090052, 70112565, 93483420, 140225130, 280450260]

約数ペア:

[(1, 280450260), (2, 140225130), (3, 93483420), (4, 70112565), (5, 56090052), (6, 46741710), (9, 31161140), (10, 28045026), (12, 23370855), (15, 18696684), (18, 15580570), (19, 14760540), (20, 14022513), (30, 9348342), (36, 7790285), (38, 7380270), (45, 6232228), (57, 4920180), (60, 4674171), (76, 3690135), (90, 3116114), (95, 2952108), (114, 2460090), (171, 1640060), (180, 1558057), (190, 1476054), (228, 1230045), (285, 984036), (342, 820030), (380, 738027), (570, 492018), (684, 410015), (855, 328012), (1140, 246009), (1710, 164006), (3420, 82003)]