172020120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^2\times {\mathrm{269}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 525171600

約数和(自身を除く): 353151480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 269, 292, 365, 438, 538, 584, 730, 807, 876, 1076, 1095, 1345, 1460, 1614, 1752, 2152, 2190, 2690, 2920, 3228, 4035, 4380, 5329, 5380, 6456, 8070, 8760, 10658, 10760, 15987, 16140, 19637, 21316, 26645, 31974, 32280, 39274, 42632, 53290, 58911, 63948, 78548, 79935, 98185, 106580, 117822, 127896, 157096, 159870, 196370, 213160, 235644, 294555, 319740, 392740, 471288, 589110, 639480, 785480, 1178220, 1433501, 2356440, 2867002, 4300503, 5734004, 7167505, 8601006, 11468008, 14335010, 17202012, 21502515, 28670020, 34404024, 43005030, 57340040, 86010060, 172020120]

約数ペア:

[(1, 172020120), (2, 86010060), (3, 57340040), (4, 43005030), (5, 34404024), (6, 28670020), (8, 21502515), (10, 17202012), (12, 14335010), (15, 11468008), (20, 8601006), (24, 7167505), (30, 5734004), (40, 4300503), (60, 2867002), (73, 2356440), (120, 1433501), (146, 1178220), (219, 785480), (269, 639480), (292, 589110), (365, 471288), (438, 392740), (538, 319740), (584, 294555), (730, 235644), (807, 213160), (876, 196370), (1076, 159870), (1095, 157096), (1345, 127896), (1460, 117822), (1614, 106580), (1752, 98185), (2152, 79935), (2190, 78548), (2690, 63948), (2920, 58911), (3228, 53290), (4035, 42632), (4380, 39274), (5329, 32280), (5380, 31974), (6456, 26645), (8070, 21316), (8760, 19637), (10658, 16140), (10760, 15987)]