31470080

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:689

約数の個数: 80

約数和(自身を含む): 79548480

約数和(自身を除く): 48078400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 647, 760, 1216, 1280, 1294, 1520, 2432, 2560, 2588, 3040, 3235, 4864, 5176, 6080, 6470, 9728, 10352, 12160, 12293, 12940, 20704, 24320, 24586, 25880, 41408, 48640, 49172, 51760, 61465, 82816, 98344, 103520, 122930, 165632, 196688, 207040, 245860, 331264, 393376, 414080, 491720, 786752, 828160, 983440, 1573504, 1656320, 1966880, 3147008, 3933760, 6294016, 7867520, 15735040, 31470080]

約数ペア:

[(1, 31470080), (2, 15735040), (4, 7867520), (5, 6294016), (8, 3933760), (10, 3147008), (16, 1966880), (19, 1656320), (20, 1573504), (32, 983440), (38, 828160), (40, 786752), (64, 491720), (76, 414080), (80, 393376), (95, 331264), (128, 245860), (152, 207040), (160, 196688), (190, 165632), (256, 122930), (304, 103520), (320, 98344), (380, 82816), (512, 61465), (608, 51760), (640, 49172), (647, 48640), (760, 41408), (1216, 25880), (1280, 24586), (1294, 24320), (1520, 20704), (2432, 12940), (2560, 12293), (2588, 12160), (3040, 10352), (3235, 9728), (4864, 6470), (5176, 6080)]