2660221980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{378949}}^1$

素因数の和:378980

約数の個数: 96

約数和(自身を含む): 8912904000

約数和(自身を除く): 6252682020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 378949, 757898, 1136847, 1515796, 1894745, 2273694, 3410541, 3789490, 4547388, 4926337, 5684235, 6821082, 7578980, 9852674, 10231623, 11368470, 13642164, 14779011, 17052705, 19705348, 20463246, 22736940, 24631685, 29558022, 34105410, 40926492, 44337033, 49263370, 51158115, 59116044, 68210820, 73895055, 88674066, 98526740, 102316230, 133011099, 147790110, 177348132, 204632460, 221685165, 266022198, 295580220, 443370330, 532044396, 665055495, 886740660, 1330110990, 2660221980]

約数ペア:

[(1, 2660221980), (2, 1330110990), (3, 886740660), (4, 665055495), (5, 532044396), (6, 443370330), (9, 295580220), (10, 266022198), (12, 221685165), (13, 204632460), (15, 177348132), (18, 147790110), (20, 133011099), (26, 102316230), (27, 98526740), (30, 88674066), (36, 73895055), (39, 68210820), (45, 59116044), (52, 51158115), (54, 49263370), (60, 44337033), (65, 40926492), (78, 34105410), (90, 29558022), (108, 24631685), (117, 22736940), (130, 20463246), (135, 19705348), (156, 17052705), (180, 14779011), (195, 13642164), (234, 11368470), (260, 10231623), (270, 9852674), (351, 7578980), (390, 6821082), (468, 5684235), (540, 4926337), (585, 4547388), (702, 3789490), (780, 3410541), (1170, 2273694), (1404, 1894745), (1755, 1515796), (2340, 1136847), (3510, 757898), (7020, 378949)]