128055480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{971}}^1$

素因数の和:1149

約数の個数: 128

約数和(自身を含む): 442298880

約数和(自身を除く): 314243400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 628, 785, 840, 942, 971, 1099, 1256, 1570, 1884, 1942, 2198, 2355, 2913, 3140, 3297, 3768, 3884, 4396, 4710, 4855, 5495, 5826, 6280, 6594, 6797, 7768, 8792, 9420, 9710, 10990, 11652, 13188, 13594, 14565, 16485, 18840, 19420, 20391, 21980, 23304, 26376, 27188, 29130, 32970, 33985, 38840, 40782, 43960, 54376, 58260, 65940, 67970, 81564, 101955, 116520, 131880, 135940, 152447, 163128, 203910, 271880, 304894, 407820, 457341, 609788, 762235, 815640, 914682, 1067129, 1219576, 1524470, 1829364, 2134258, 2286705, 3048940, 3201387, 3658728, 4268516, 4573410, 5335645, 6097880, 6402774, 8537032, 9146820, 10671290, 12805548, 16006935, 18293640, 21342580, 25611096, 32013870, 42685160, 64027740, 128055480]

約数ペア:

[(1, 128055480), (2, 64027740), (3, 42685160), (4, 32013870), (5, 25611096), (6, 21342580), (7, 18293640), (8, 16006935), (10, 12805548), (12, 10671290), (14, 9146820), (15, 8537032), (20, 6402774), (21, 6097880), (24, 5335645), (28, 4573410), (30, 4268516), (35, 3658728), (40, 3201387), (42, 3048940), (56, 2286705), (60, 2134258), (70, 1829364), (84, 1524470), (105, 1219576), (120, 1067129), (140, 914682), (157, 815640), (168, 762235), (210, 609788), (280, 457341), (314, 407820), (420, 304894), (471, 271880), (628, 203910), (785, 163128), (840, 152447), (942, 135940), (971, 131880), (1099, 116520), (1256, 101955), (1570, 81564), (1884, 67970), (1942, 65940), (2198, 58260), (2355, 54376), (2913, 43960), (3140, 40782), (3297, 38840), (3768, 33985), (3884, 32970), (4396, 29130), (4710, 27188), (4855, 26376), (5495, 23304), (5826, 21980), (6280, 20391), (6594, 19420), (6797, 18840), (7768, 16485), (8792, 14565), (9420, 13594), (9710, 13188), (10990, 11652)]