255055920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{967}}^1$

素因数の和:1147

約数の個数: 160

約数和(自身を含む): 910322688

約数和(自身を除く): 655266768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 157, 168, 210, 240, 280, 314, 336, 420, 471, 560, 628, 785, 840, 942, 967, 1099, 1256, 1570, 1680, 1884, 1934, 2198, 2355, 2512, 2901, 3140, 3297, 3768, 3868, 4396, 4710, 4835, 5495, 5802, 6280, 6594, 6769, 7536, 7736, 8792, 9420, 9670, 10990, 11604, 12560, 13188, 13538, 14505, 15472, 16485, 17584, 18840, 19340, 20307, 21980, 23208, 26376, 27076, 29010, 32970, 33845, 37680, 38680, 40614, 43960, 46416, 52752, 54152, 58020, 65940, 67690, 77360, 81228, 87920, 101535, 108304, 116040, 131880, 135380, 151819, 162456, 203070, 232080, 263760, 270760, 303638, 324912, 406140, 455457, 541520, 607276, 759095, 812280, 910914, 1062733, 1214552, 1518190, 1624560, 1821828, 2125466, 2277285, 2429104, 3036380, 3188199, 3643656, 4250932, 4554570, 5313665, 6072760, 6376398, 7287312, 8501864, 9109140, 10627330, 12145520, 12752796, 15940995, 17003728, 18218280, 21254660, 25505592, 31881990, 36436560, 42509320, 51011184, 63763980, 85018640, 127527960, 255055920]

約数ペア:

[(1, 255055920), (2, 127527960), (3, 85018640), (4, 63763980), (5, 51011184), (6, 42509320), (7, 36436560), (8, 31881990), (10, 25505592), (12, 21254660), (14, 18218280), (15, 17003728), (16, 15940995), (20, 12752796), (21, 12145520), (24, 10627330), (28, 9109140), (30, 8501864), (35, 7287312), (40, 6376398), (42, 6072760), (48, 5313665), (56, 4554570), (60, 4250932), (70, 3643656), (80, 3188199), (84, 3036380), (105, 2429104), (112, 2277285), (120, 2125466), (140, 1821828), (157, 1624560), (168, 1518190), (210, 1214552), (240, 1062733), (280, 910914), (314, 812280), (336, 759095), (420, 607276), (471, 541520), (560, 455457), (628, 406140), (785, 324912), (840, 303638), (942, 270760), (967, 263760), (1099, 232080), (1256, 203070), (1570, 162456), (1680, 151819), (1884, 135380), (1934, 131880), (2198, 116040), (2355, 108304), (2512, 101535), (2901, 87920), (3140, 81228), (3297, 77360), (3768, 67690), (3868, 65940), (4396, 58020), (4710, 54152), (4835, 52752), (5495, 46416), (5802, 43960), (6280, 40614), (6594, 38680), (6769, 37680), (7536, 33845), (7736, 32970), (8792, 29010), (9420, 27076), (9670, 26376), (10990, 23208), (11604, 21980), (12560, 20307), (13188, 19340), (13538, 18840), (14505, 17584), (15472, 16485)]