80515920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17657}}^1$

素因数の和:17692

約数の個数: 80

約数和(自身を含む): 262751040

約数和(自身を除く): 182235120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 17657, 35314, 52971, 70628, 88285, 105942, 141256, 176570, 211884, 264855, 282512, 335483, 353140, 423768, 529710, 670966, 706280, 847536, 1006449, 1059420, 1341932, 1412560, 1677415, 2012898, 2118840, 2683864, 3354830, 4025796, 4237680, 5032245, 5367728, 6709660, 8051592, 10064490, 13419320, 16103184, 20128980, 26838640, 40257960, 80515920]

約数ペア:

[(1, 80515920), (2, 40257960), (3, 26838640), (4, 20128980), (5, 16103184), (6, 13419320), (8, 10064490), (10, 8051592), (12, 6709660), (15, 5367728), (16, 5032245), (19, 4237680), (20, 4025796), (24, 3354830), (30, 2683864), (38, 2118840), (40, 2012898), (48, 1677415), (57, 1412560), (60, 1341932), (76, 1059420), (80, 1006449), (95, 847536), (114, 706280), (120, 670966), (152, 529710), (190, 423768), (228, 353140), (240, 335483), (285, 282512), (304, 264855), (380, 211884), (456, 176570), (570, 141256), (760, 105942), (912, 88285), (1140, 70628), (1520, 52971), (2280, 35314), (4560, 17657)]