656640240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{7219}}^1$

素因数の和:7614

約数の個数: 80

約数和(自身を含む): 2041238400

約数和(自身を除く): 1384598160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 379, 758, 1137, 1516, 1895, 2274, 3032, 3790, 4548, 5685, 6064, 7219, 7580, 9096, 11370, 14438, 15160, 18192, 21657, 22740, 28876, 30320, 36095, 43314, 45480, 57752, 72190, 86628, 90960, 108285, 115504, 144380, 173256, 216570, 288760, 346512, 433140, 577520, 866280, 1732560, 2736001, 5472002, 8208003, 10944004, 13680005, 16416006, 21888008, 27360010, 32832012, 41040015, 43776016, 54720020, 65664024, 82080030, 109440040, 131328048, 164160060, 218880080, 328320120, 656640240]

約数ペア:

[(1, 656640240), (2, 328320120), (3, 218880080), (4, 164160060), (5, 131328048), (6, 109440040), (8, 82080030), (10, 65664024), (12, 54720020), (15, 43776016), (16, 41040015), (20, 32832012), (24, 27360010), (30, 21888008), (40, 16416006), (48, 13680005), (60, 10944004), (80, 8208003), (120, 5472002), (240, 2736001), (379, 1732560), (758, 866280), (1137, 577520), (1516, 433140), (1895, 346512), (2274, 288760), (3032, 216570), (3790, 173256), (4548, 144380), (5685, 115504), (6064, 108285), (7219, 90960), (7580, 86628), (9096, 72190), (11370, 57752), (14438, 45480), (15160, 43314), (18192, 36095), (21657, 30320), (22740, 28876)]