81408160

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:534

約数の個数: 96

約数和(自身を含む): 206236800

約数和(自身を除く): 124828640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 76, 80, 95, 122, 152, 160, 190, 244, 304, 305, 380, 439, 488, 608, 610, 760, 878, 976, 1159, 1220, 1520, 1756, 1952, 2195, 2318, 2440, 3040, 3512, 4390, 4636, 4880, 5795, 7024, 8341, 8780, 9272, 9760, 11590, 14048, 16682, 17560, 18544, 23180, 26779, 33364, 35120, 37088, 41705, 46360, 53558, 66728, 70240, 83410, 92720, 107116, 133456, 133895, 166820, 185440, 214232, 266912, 267790, 333640, 428464, 508801, 535580, 667280, 856928, 1017602, 1071160, 1334560, 2035204, 2142320, 2544005, 4070408, 4284640, 5088010, 8140816, 10176020, 16281632, 20352040, 40704080, 81408160]

約数ペア:

[(1, 81408160), (2, 40704080), (4, 20352040), (5, 16281632), (8, 10176020), (10, 8140816), (16, 5088010), (19, 4284640), (20, 4070408), (32, 2544005), (38, 2142320), (40, 2035204), (61, 1334560), (76, 1071160), (80, 1017602), (95, 856928), (122, 667280), (152, 535580), (160, 508801), (190, 428464), (244, 333640), (304, 267790), (305, 266912), (380, 214232), (439, 185440), (488, 166820), (608, 133895), (610, 133456), (760, 107116), (878, 92720), (976, 83410), (1159, 70240), (1220, 66728), (1520, 53558), (1756, 46360), (1952, 41705), (2195, 37088), (2318, 35120), (2440, 33364), (3040, 26779), (3512, 23180), (4390, 18544), (4636, 17560), (4880, 16682), (5795, 14048), (7024, 11590), (8341, 9760), (8780, 9272)]