28916401980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{509}}^1\times {\mathrm{2713}}^1$

素因数の和:3583

約数の個数: 96

約数和(自身を含む): 81387432000

約数和(自身を除く): 52471030020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 509, 698, 1018, 1047, 1396, 1527, 1745, 2036, 2094, 2545, 2713, 3054, 3490, 4188, 5090, 5235, 5426, 6108, 6980, 7635, 8139, 10180, 10470, 10852, 13565, 15270, 16278, 20940, 27130, 30540, 32556, 40695, 54260, 81390, 162780, 177641, 355282, 532923, 710564, 888205, 946837, 1065846, 1380917, 1776410, 1893674, 2131692, 2664615, 2761834, 2840511, 3552820, 3787348, 4142751, 4734185, 5329230, 5523668, 5681022, 6904585, 8285502, 9468370, 10658460, 11362044, 13809170, 14202555, 16571004, 18936740, 20713755, 27618340, 28405110, 41427510, 56810220, 82855020, 481940033, 963880066, 1445820099, 1927760132, 2409700165, 2891640198, 4819400330, 5783280396, 7229100495, 9638800660, 14458200990, 28916401980]

約数ペア:

[(1, 28916401980), (2, 14458200990), (3, 9638800660), (4, 7229100495), (5, 5783280396), (6, 4819400330), (10, 2891640198), (12, 2409700165), (15, 1927760132), (20, 1445820099), (30, 963880066), (60, 481940033), (349, 82855020), (509, 56810220), (698, 41427510), (1018, 28405110), (1047, 27618340), (1396, 20713755), (1527, 18936740), (1745, 16571004), (2036, 14202555), (2094, 13809170), (2545, 11362044), (2713, 10658460), (3054, 9468370), (3490, 8285502), (4188, 6904585), (5090, 5681022), (5235, 5523668), (5426, 5329230), (6108, 4734185), (6980, 4142751), (7635, 3787348), (8139, 3552820), (10180, 2840511), (10470, 2761834), (10852, 2664615), (13565, 2131692), (15270, 1893674), (16278, 1776410), (20940, 1380917), (27130, 1065846), (30540, 946837), (32556, 888205), (40695, 710564), (54260, 532923), (81390, 355282), (162780, 177641)]