127745820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 415134720

約数和(自身を除く): 287388900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 109, 153, 170, 180, 204, 218, 255, 306, 327, 340, 383, 436, 510, 545, 612, 654, 765, 766, 981, 1020, 1090, 1149, 1308, 1530, 1532, 1635, 1853, 1915, 1962, 2180, 2298, 3060, 3270, 3447, 3706, 3830, 3924, 4596, 4905, 5559, 5745, 6511, 6540, 6894, 7412, 7660, 9265, 9810, 11118, 11490, 13022, 13788, 16677, 17235, 18530, 19533, 19620, 22236, 22980, 26044, 27795, 32555, 33354, 34470, 37060, 39066, 41747, 55590, 58599, 65110, 66708, 68940, 78132, 83385, 83494, 97665, 111180, 117198, 125241, 130220, 166770, 166988, 195330, 208735, 234396, 250482, 292995, 333540, 375723, 390660, 417470, 500964, 585990, 626205, 709699, 751446, 834940, 1171980, 1252410, 1419398, 1502892, 1878615, 2129097, 2504820, 2838796, 3548495, 3757230, 4258194, 6387291, 7096990, 7514460, 8516388, 10645485, 12774582, 14193980, 21290970, 25549164, 31936455, 42581940, 63872910, 127745820]

約数ペア:

[(1, 127745820), (2, 63872910), (3, 42581940), (4, 31936455), (5, 25549164), (6, 21290970), (9, 14193980), (10, 12774582), (12, 10645485), (15, 8516388), (17, 7514460), (18, 7096990), (20, 6387291), (30, 4258194), (34, 3757230), (36, 3548495), (45, 2838796), (51, 2504820), (60, 2129097), (68, 1878615), (85, 1502892), (90, 1419398), (102, 1252410), (109, 1171980), (153, 834940), (170, 751446), (180, 709699), (204, 626205), (218, 585990), (255, 500964), (306, 417470), (327, 390660), (340, 375723), (383, 333540), (436, 292995), (510, 250482), (545, 234396), (612, 208735), (654, 195330), (765, 166988), (766, 166770), (981, 130220), (1020, 125241), (1090, 117198), (1149, 111180), (1308, 97665), (1530, 83494), (1532, 83385), (1635, 78132), (1853, 68940), (1915, 66708), (1962, 65110), (2180, 58599), (2298, 55590), (3060, 41747), (3270, 39066), (3447, 37060), (3706, 34470), (3830, 33354), (3924, 32555), (4596, 27795), (4905, 26044), (5559, 22980), (5745, 22236), (6511, 19620), (6540, 19533), (6894, 18530), (7412, 17235), (7660, 16677), (9265, 13788), (9810, 13022), (11118, 11490)]