312975180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1787}}^1$

素因数の和:1948

約数の個数: 144

約数和(自身を含む): 1093397760

約数和(自身を除く): 780422580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 139, 140, 180, 210, 252, 278, 315, 417, 420, 556, 630, 695, 834, 973, 1251, 1260, 1390, 1668, 1787, 1946, 2085, 2502, 2780, 2919, 3574, 3892, 4170, 4865, 5004, 5361, 5838, 6255, 7148, 8340, 8757, 8935, 9730, 10722, 11676, 12509, 12510, 14595, 16083, 17514, 17870, 19460, 21444, 25018, 25020, 26805, 29190, 32166, 35028, 35740, 37527, 43785, 50036, 53610, 58380, 62545, 64332, 75054, 80415, 87570, 107220, 112581, 125090, 150108, 160830, 175140, 187635, 225162, 248393, 250180, 321660, 375270, 450324, 496786, 562905, 745179, 750540, 993572, 1125810, 1241965, 1490358, 1738751, 2235537, 2251620, 2483930, 2980716, 3477502, 3725895, 4471074, 4967860, 5216253, 6955004, 7451790, 8693755, 8942148, 10432506, 11177685, 14903580, 15648759, 17387510, 20865012, 22355370, 26081265, 31297518, 34775020, 44710740, 52162530, 62595036, 78243795, 104325060, 156487590, 312975180]

約数ペア:

[(1, 312975180), (2, 156487590), (3, 104325060), (4, 78243795), (5, 62595036), (6, 52162530), (7, 44710740), (9, 34775020), (10, 31297518), (12, 26081265), (14, 22355370), (15, 20865012), (18, 17387510), (20, 15648759), (21, 14903580), (28, 11177685), (30, 10432506), (35, 8942148), (36, 8693755), (42, 7451790), (45, 6955004), (60, 5216253), (63, 4967860), (70, 4471074), (84, 3725895), (90, 3477502), (105, 2980716), (126, 2483930), (139, 2251620), (140, 2235537), (180, 1738751), (210, 1490358), (252, 1241965), (278, 1125810), (315, 993572), (417, 750540), (420, 745179), (556, 562905), (630, 496786), (695, 450324), (834, 375270), (973, 321660), (1251, 250180), (1260, 248393), (1390, 225162), (1668, 187635), (1787, 175140), (1946, 160830), (2085, 150108), (2502, 125090), (2780, 112581), (2919, 107220), (3574, 87570), (3892, 80415), (4170, 75054), (4865, 64332), (5004, 62545), (5361, 58380), (5838, 53610), (6255, 50036), (7148, 43785), (8340, 37527), (8757, 35740), (8935, 35028), (9730, 32166), (10722, 29190), (11676, 26805), (12509, 25020), (12510, 25018), (14595, 21444), (16083, 19460), (17514, 17870)]