28189080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:670

約数の個数: 128

約数和(自身を含む): 96307200

約数和(自身を除く): 68118120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 135, 172, 180, 215, 216, 258, 270, 344, 360, 387, 430, 516, 540, 607, 645, 774, 860, 1032, 1080, 1161, 1214, 1290, 1548, 1720, 1821, 1935, 2322, 2428, 2580, 3035, 3096, 3642, 3870, 4644, 4856, 5160, 5463, 5805, 6070, 7284, 7740, 9105, 9288, 10926, 11610, 12140, 14568, 15480, 16389, 18210, 21852, 23220, 24280, 26101, 27315, 32778, 36420, 43704, 46440, 52202, 54630, 65556, 72840, 78303, 81945, 104404, 109260, 130505, 131112, 156606, 163890, 208808, 218520, 234909, 261010, 313212, 327780, 391515, 469818, 522020, 626424, 655560, 704727, 783030, 939636, 1044040, 1174545, 1409454, 1566060, 1879272, 2349090, 2818908, 3132120, 3523635, 4698180, 5637816, 7047270, 9396360, 14094540, 28189080]

約数ペア:

[(1, 28189080), (2, 14094540), (3, 9396360), (4, 7047270), (5, 5637816), (6, 4698180), (8, 3523635), (9, 3132120), (10, 2818908), (12, 2349090), (15, 1879272), (18, 1566060), (20, 1409454), (24, 1174545), (27, 1044040), (30, 939636), (36, 783030), (40, 704727), (43, 655560), (45, 626424), (54, 522020), (60, 469818), (72, 391515), (86, 327780), (90, 313212), (108, 261010), (120, 234909), (129, 218520), (135, 208808), (172, 163890), (180, 156606), (215, 131112), (216, 130505), (258, 109260), (270, 104404), (344, 81945), (360, 78303), (387, 72840), (430, 65556), (516, 54630), (540, 52202), (607, 46440), (645, 43704), (774, 36420), (860, 32778), (1032, 27315), (1080, 26101), (1161, 24280), (1214, 23220), (1290, 21852), (1548, 18210), (1720, 16389), (1821, 15480), (1935, 14568), (2322, 12140), (2428, 11610), (2580, 10926), (3035, 9288), (3096, 9105), (3642, 7740), (3870, 7284), (4644, 6070), (4856, 5805), (5160, 5463)]