243137680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1553}}^1$

素因数の和:1688

約数の個数: 80

約数和(自身を含む): 601211520

約数和(自身を除く): 358073840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 103, 152, 190, 206, 304, 380, 412, 515, 760, 824, 1030, 1520, 1553, 1648, 1957, 2060, 3106, 3914, 4120, 6212, 7765, 7828, 8240, 9785, 12424, 15530, 15656, 19570, 24848, 29507, 31060, 31312, 39140, 59014, 62120, 78280, 118028, 124240, 147535, 156560, 159959, 236056, 295070, 319918, 472112, 590140, 639836, 799795, 1180280, 1279672, 1599590, 2360560, 2559344, 3039221, 3199180, 6078442, 6398360, 12156884, 12796720, 15196105, 24313768, 30392210, 48627536, 60784420, 121568840, 243137680]

約数ペア:

[(1, 243137680), (2, 121568840), (4, 60784420), (5, 48627536), (8, 30392210), (10, 24313768), (16, 15196105), (19, 12796720), (20, 12156884), (38, 6398360), (40, 6078442), (76, 3199180), (80, 3039221), (95, 2559344), (103, 2360560), (152, 1599590), (190, 1279672), (206, 1180280), (304, 799795), (380, 639836), (412, 590140), (515, 472112), (760, 319918), (824, 295070), (1030, 236056), (1520, 159959), (1553, 156560), (1648, 147535), (1957, 124240), (2060, 118028), (3106, 78280), (3914, 62120), (4120, 59014), (6212, 39140), (7765, 31312), (7828, 31060), (8240, 29507), (9785, 24848), (12424, 19570), (15530, 15656)]