641250120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33191}}^1$

素因数の和:33235

約数の個数: 128

約数和(自身を含む): 2294231040

約数和(自身を除く): 1652980920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 19320, 33191, 66382, 99573, 132764, 165955, 199146, 232337, 265528, 331910, 398292, 464674, 497865, 663820, 697011, 763393, 796584, 929348, 995730, 1161685, 1327640, 1394022, 1526786, 1858696, 1991460, 2290179, 2323370, 2788044, 3053572, 3485055, 3816965, 3982920, 4580358, 4646740, 5343751, 5576088, 6107144, 6970110, 7633930, 9160716, 9293480, 10687502, 11450895, 13940220, 15267860, 16031253, 18321432, 21375004, 22901790, 26718755, 27880440, 30535720, 32062506, 42750008, 45803580, 53437510, 64125012, 80156265, 91607160, 106875020, 128250024, 160312530, 213750040, 320625060, 641250120]

約数ペア:

[(1, 641250120), (2, 320625060), (3, 213750040), (4, 160312530), (5, 128250024), (6, 106875020), (7, 91607160), (8, 80156265), (10, 64125012), (12, 53437510), (14, 45803580), (15, 42750008), (20, 32062506), (21, 30535720), (23, 27880440), (24, 26718755), (28, 22901790), (30, 21375004), (35, 18321432), (40, 16031253), (42, 15267860), (46, 13940220), (56, 11450895), (60, 10687502), (69, 9293480), (70, 9160716), (84, 7633930), (92, 6970110), (105, 6107144), (115, 5576088), (120, 5343751), (138, 4646740), (140, 4580358), (161, 3982920), (168, 3816965), (184, 3485055), (210, 3053572), (230, 2788044), (276, 2323370), (280, 2290179), (322, 1991460), (345, 1858696), (420, 1526786), (460, 1394022), (483, 1327640), (552, 1161685), (644, 995730), (690, 929348), (805, 796584), (840, 763393), (920, 697011), (966, 663820), (1288, 497865), (1380, 464674), (1610, 398292), (1932, 331910), (2415, 265528), (2760, 232337), (3220, 199146), (3864, 165955), (4830, 132764), (6440, 99573), (9660, 66382), (19320, 33191)]