681934860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{359}}^1$

素因数の和:608

約数の個数: 144

約数和(自身を含む): 2120489280

約数和(自身を除く): 1438554420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 173, 180, 183, 244, 305, 346, 359, 366, 519, 549, 610, 692, 718, 732, 865, 915, 1038, 1077, 1098, 1220, 1436, 1557, 1730, 1795, 1830, 2076, 2154, 2196, 2595, 2745, 3114, 3231, 3460, 3590, 3660, 4308, 5190, 5385, 5490, 6228, 6462, 7180, 7785, 10380, 10553, 10770, 10980, 12924, 15570, 16155, 21106, 21540, 21899, 31140, 31659, 32310, 42212, 43798, 52765, 62107, 63318, 64620, 65697, 87596, 94977, 105530, 109495, 124214, 126636, 131394, 158295, 186321, 189954, 197091, 211060, 218990, 248428, 262788, 310535, 316590, 328485, 372642, 379908, 394182, 437980, 474885, 558963, 621070, 633180, 656970, 745284, 788364, 931605, 949770, 985455, 1117926, 1242140, 1313940, 1863210, 1899540, 1970910, 2235852, 2794815, 3726420, 3788527, 3941820, 5589630, 7577054, 11179260, 11365581, 15154108, 18942635, 22731162, 34096743, 37885270, 45462324, 56827905, 68193486, 75770540, 113655810, 136386972, 170483715, 227311620, 340967430, 681934860]

約数ペア:

[(1, 681934860), (2, 340967430), (3, 227311620), (4, 170483715), (5, 136386972), (6, 113655810), (9, 75770540), (10, 68193486), (12, 56827905), (15, 45462324), (18, 37885270), (20, 34096743), (30, 22731162), (36, 18942635), (45, 15154108), (60, 11365581), (61, 11179260), (90, 7577054), (122, 5589630), (173, 3941820), (180, 3788527), (183, 3726420), (244, 2794815), (305, 2235852), (346, 1970910), (359, 1899540), (366, 1863210), (519, 1313940), (549, 1242140), (610, 1117926), (692, 985455), (718, 949770), (732, 931605), (865, 788364), (915, 745284), (1038, 656970), (1077, 633180), (1098, 621070), (1220, 558963), (1436, 474885), (1557, 437980), (1730, 394182), (1795, 379908), (1830, 372642), (2076, 328485), (2154, 316590), (2196, 310535), (2595, 262788), (2745, 248428), (3114, 218990), (3231, 211060), (3460, 197091), (3590, 189954), (3660, 186321), (4308, 158295), (5190, 131394), (5385, 126636), (5490, 124214), (6228, 109495), (6462, 105530), (7180, 94977), (7785, 87596), (10380, 65697), (10553, 64620), (10770, 63318), (10980, 62107), (12924, 52765), (15570, 43798), (16155, 42212), (21106, 32310), (21540, 31659), (21899, 31140)]