1540222720

素因数分解:

$2^8\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2741}}^1$

素因数の和:3201

約数の個数: 72

約数和(自身を含む): 3699067680

約数和(自身を除く): 2158844960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 439, 640, 878, 1280, 1756, 2195, 2741, 3512, 4390, 5482, 7024, 8780, 10964, 13705, 14048, 17560, 21928, 27410, 28096, 35120, 43856, 54820, 56192, 70240, 87712, 109640, 112384, 140480, 175424, 219280, 280960, 350848, 438560, 561920, 701696, 877120, 1203299, 1754240, 2406598, 3508480, 4813196, 6016495, 9626392, 12032990, 19252784, 24065980, 38505568, 48131960, 77011136, 96263920, 154022272, 192527840, 308044544, 385055680, 770111360, 1540222720]

約数ペア:

[(1, 1540222720), (2, 770111360), (4, 385055680), (5, 308044544), (8, 192527840), (10, 154022272), (16, 96263920), (20, 77011136), (32, 48131960), (40, 38505568), (64, 24065980), (80, 19252784), (128, 12032990), (160, 9626392), (256, 6016495), (320, 4813196), (439, 3508480), (640, 2406598), (878, 1754240), (1280, 1203299), (1756, 877120), (2195, 701696), (2741, 561920), (3512, 438560), (4390, 350848), (5482, 280960), (7024, 219280), (8780, 175424), (10964, 140480), (13705, 112384), (14048, 109640), (17560, 87712), (21928, 70240), (27410, 56192), (28096, 54820), (35120, 43856)]