28141620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 85895040

約数和(自身を除く): 57753420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 109, 130, 156, 195, 218, 260, 327, 331, 390, 436, 545, 654, 662, 780, 993, 1090, 1308, 1324, 1417, 1635, 1655, 1986, 2180, 2834, 3270, 3310, 3972, 4251, 4303, 4965, 5668, 6540, 6620, 7085, 8502, 8606, 9930, 12909, 14170, 17004, 17212, 19860, 21255, 21515, 25818, 28340, 36079, 42510, 43030, 51636, 64545, 72158, 85020, 86060, 108237, 129090, 144316, 180395, 216474, 258180, 360790, 432948, 469027, 541185, 721580, 938054, 1082370, 1407081, 1876108, 2164740, 2345135, 2814162, 4690270, 5628324, 7035405, 9380540, 14070810, 28141620]

約数ペア:

[(1, 28141620), (2, 14070810), (3, 9380540), (4, 7035405), (5, 5628324), (6, 4690270), (10, 2814162), (12, 2345135), (13, 2164740), (15, 1876108), (20, 1407081), (26, 1082370), (30, 938054), (39, 721580), (52, 541185), (60, 469027), (65, 432948), (78, 360790), (109, 258180), (130, 216474), (156, 180395), (195, 144316), (218, 129090), (260, 108237), (327, 86060), (331, 85020), (390, 72158), (436, 64545), (545, 51636), (654, 43030), (662, 42510), (780, 36079), (993, 28340), (1090, 25818), (1308, 21515), (1324, 21255), (1417, 19860), (1635, 17212), (1655, 17004), (1986, 14170), (2180, 12909), (2834, 9930), (3270, 8606), (3310, 8502), (3972, 7085), (4251, 6620), (4303, 6540), (4965, 5668)]