66381420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2591}}^1$

素因数の和:2671

約数の個数: 96

約数和(自身を含む): 215986176

約数和(自身を除く): 149604756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 2591, 3660, 4270, 5124, 5182, 6405, 7773, 8540, 10364, 12810, 12955, 15546, 18137, 25620, 25910, 31092, 36274, 38865, 51820, 54411, 72548, 77730, 90685, 108822, 155460, 158051, 181370, 217644, 272055, 316102, 362740, 474153, 544110, 632204, 790255, 948306, 1088220, 1106357, 1580510, 1896612, 2212714, 2370765, 3161020, 3319071, 4425428, 4741530, 5531785, 6638142, 9483060, 11063570, 13276284, 16595355, 22127140, 33190710, 66381420]

約数ペア:

[(1, 66381420), (2, 33190710), (3, 22127140), (4, 16595355), (5, 13276284), (6, 11063570), (7, 9483060), (10, 6638142), (12, 5531785), (14, 4741530), (15, 4425428), (20, 3319071), (21, 3161020), (28, 2370765), (30, 2212714), (35, 1896612), (42, 1580510), (60, 1106357), (61, 1088220), (70, 948306), (84, 790255), (105, 632204), (122, 544110), (140, 474153), (183, 362740), (210, 316102), (244, 272055), (305, 217644), (366, 181370), (420, 158051), (427, 155460), (610, 108822), (732, 90685), (854, 77730), (915, 72548), (1220, 54411), (1281, 51820), (1708, 38865), (1830, 36274), (2135, 31092), (2562, 25910), (2591, 25620), (3660, 18137), (4270, 15546), (5124, 12955), (5182, 12810), (6405, 10364), (7773, 8540)]