18820896720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{351661}}^1$

素因数の和:351900

約数の個数: 80

約数和(自身を含む): 58606582272

約数和(自身を除く): 39785685552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 223, 240, 446, 669, 892, 1115, 1338, 1784, 2230, 2676, 3345, 3568, 4460, 5352, 6690, 8920, 10704, 13380, 17840, 26760, 53520, 351661, 703322, 1054983, 1406644, 1758305, 2109966, 2813288, 3516610, 4219932, 5274915, 5626576, 7033220, 8439864, 10549830, 14066440, 16879728, 21099660, 28132880, 42199320, 78420403, 84398640, 156840806, 235261209, 313681612, 392102015, 470522418, 627363224, 784204030, 941044836, 1176306045, 1254726448, 1568408060, 1882089672, 2352612090, 3136816120, 3764179344, 4705224180, 6273632240, 9410448360, 18820896720]

約数ペア:

[(1, 18820896720), (2, 9410448360), (3, 6273632240), (4, 4705224180), (5, 3764179344), (6, 3136816120), (8, 2352612090), (10, 1882089672), (12, 1568408060), (15, 1254726448), (16, 1176306045), (20, 941044836), (24, 784204030), (30, 627363224), (40, 470522418), (48, 392102015), (60, 313681612), (80, 235261209), (120, 156840806), (223, 84398640), (240, 78420403), (446, 42199320), (669, 28132880), (892, 21099660), (1115, 16879728), (1338, 14066440), (1784, 10549830), (2230, 8439864), (2676, 7033220), (3345, 5626576), (3568, 5274915), (4460, 4219932), (5352, 3516610), (6690, 2813288), (8920, 2109966), (10704, 1758305), (13380, 1406644), (17840, 1054983), (26760, 703322), (53520, 351661)]