28008660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 83865600

約数和(自身を除く): 55856940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 79, 95, 114, 158, 190, 228, 237, 285, 311, 316, 380, 395, 474, 570, 622, 790, 933, 948, 1140, 1185, 1244, 1501, 1555, 1580, 1866, 2370, 3002, 3110, 3732, 4503, 4665, 4740, 5909, 6004, 6220, 7505, 9006, 9330, 11818, 15010, 17727, 18012, 18660, 22515, 23636, 24569, 29545, 30020, 35454, 45030, 49138, 59090, 70908, 73707, 88635, 90060, 98276, 118180, 122845, 147414, 177270, 245690, 294828, 354540, 368535, 466811, 491380, 737070, 933622, 1400433, 1474140, 1867244, 2334055, 2800866, 4668110, 5601732, 7002165, 9336220, 14004330, 28008660]

約数ペア:

[(1, 28008660), (2, 14004330), (3, 9336220), (4, 7002165), (5, 5601732), (6, 4668110), (10, 2800866), (12, 2334055), (15, 1867244), (19, 1474140), (20, 1400433), (30, 933622), (38, 737070), (57, 491380), (60, 466811), (76, 368535), (79, 354540), (95, 294828), (114, 245690), (158, 177270), (190, 147414), (228, 122845), (237, 118180), (285, 98276), (311, 90060), (316, 88635), (380, 73707), (395, 70908), (474, 59090), (570, 49138), (622, 45030), (790, 35454), (933, 30020), (948, 29545), (1140, 24569), (1185, 23636), (1244, 22515), (1501, 18660), (1555, 18012), (1580, 17727), (1866, 15010), (2370, 11818), (3002, 9330), (3110, 9006), (3732, 7505), (4503, 6220), (4665, 6004), (4740, 5909)]