287112840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2459}}^1$

素因数の和:2619

約数の個数: 128

約数和(自身を含む): 991872000

約数和(自身を除く): 704759160

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, 139, 140, 168, 210, 278, 280, 417, 420, 556, 695, 834, 840, 973, 1112, 1390, 1668, 1946, 2085, 2459, 2780, 2919, 3336, 3892, 4170, 4865, 4918, 5560, 5838, 7377, 7784, 8340, 9730, 9836, 11676, 12295, 14595, 14754, 16680, 17213, 19460, 19672, 23352, 24590, 29190, 29508, 34426, 36885, 38920, 49180, 51639, 58380, 59016, 68852, 73770, 86065, 98360, 103278, 116760, 137704, 147540, 172130, 206556, 258195, 295080, 341801, 344260, 413112, 516390, 683602, 688520, 1025403, 1032780, 1367204, 1709005, 2050806, 2065560, 2392607, 2734408, 3418010, 4101612, 4785214, 5127015, 6836020, 7177821, 8203224, 9570428, 10254030, 11963035, 13672040, 14355642, 19140856, 20508060, 23926070, 28711284, 35889105, 41016120, 47852140, 57422568, 71778210, 95704280, 143556420, 287112840]

約数ペア:

[(1, 287112840), (2, 143556420), (3, 95704280), (4, 71778210), (5, 57422568), (6, 47852140), (7, 41016120), (8, 35889105), (10, 28711284), (12, 23926070), (14, 20508060), (15, 19140856), (20, 14355642), (21, 13672040), (24, 11963035), (28, 10254030), (30, 9570428), (35, 8203224), (40, 7177821), (42, 6836020), (56, 5127015), (60, 4785214), (70, 4101612), (84, 3418010), (105, 2734408), (120, 2392607), (139, 2065560), (140, 2050806), (168, 1709005), (210, 1367204), (278, 1032780), (280, 1025403), (417, 688520), (420, 683602), (556, 516390), (695, 413112), (834, 344260), (840, 341801), (973, 295080), (1112, 258195), (1390, 206556), (1668, 172130), (1946, 147540), (2085, 137704), (2459, 116760), (2780, 103278), (2919, 98360), (3336, 86065), (3892, 73770), (4170, 68852), (4865, 59016), (4918, 58380), (5560, 51639), (5838, 49180), (7377, 38920), (7784, 36885), (8340, 34426), (9730, 29508), (9836, 29190), (11676, 24590), (12295, 23352), (14595, 19672), (14754, 19460), (16680, 17213)]