8870040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 30412800

約数和(自身を除く): 21542760

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, 191, 215, 216, 258, 270, 344, 360, 382, 387, 430, 516, 540, 573, 645, 764, 774, 860, 955, 1032, 1080, 1146, 1161, 1290, 1528, 1548, 1719, 1720, 1910, 1935, 2292, 2322, 2580, 2865, 3096, 3438, 3820, 3870, 4584, 4644, 5157, 5160, 5730, 5805, 6876, 7640, 7740, 8213, 8595, 9288, 10314, 11460, 11610, 13752, 15480, 16426, 17190, 20628, 22920, 23220, 24639, 25785, 32852, 34380, 41065, 41256, 46440, 49278, 51570, 65704, 68760, 73917, 82130, 98556, 103140, 123195, 147834, 164260, 197112, 206280, 221751, 246390, 295668, 328520, 369585, 443502, 492780, 591336, 739170, 887004, 985560, 1108755, 1478340, 1774008, 2217510, 2956680, 4435020, 8870040]

約数ペア:

[(1, 8870040), (2, 4435020), (3, 2956680), (4, 2217510), (5, 1774008), (6, 1478340), (8, 1108755), (9, 985560), (10, 887004), (12, 739170), (15, 591336), (18, 492780), (20, 443502), (24, 369585), (27, 328520), (30, 295668), (36, 246390), (40, 221751), (43, 206280), (45, 197112), (54, 164260), (60, 147834), (72, 123195), (86, 103140), (90, 98556), (108, 82130), (120, 73917), (129, 68760), (135, 65704), (172, 51570), (180, 49278), (191, 46440), (215, 41256), (216, 41065), (258, 34380), (270, 32852), (344, 25785), (360, 24639), (382, 23220), (387, 22920), (430, 20628), (516, 17190), (540, 16426), (573, 15480), (645, 13752), (764, 11610), (774, 11460), (860, 10314), (955, 9288), (1032, 8595), (1080, 8213), (1146, 7740), (1161, 7640), (1290, 6876), (1528, 5805), (1548, 5730), (1719, 5160), (1720, 5157), (1910, 4644), (1935, 4584), (2292, 3870), (2322, 3820), (2580, 3438), (2865, 3096)]