68748080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1522

約数の個数: 80

約数和(自身を含む): 173798400

約数和(自身を除く): 105050320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1459, 1520, 2356, 2480, 2918, 2945, 4712, 5836, 5890, 7295, 9424, 11672, 11780, 14590, 23344, 23560, 27721, 29180, 45229, 47120, 55442, 58360, 90458, 110884, 116720, 138605, 180916, 221768, 226145, 277210, 361832, 443536, 452290, 554420, 723664, 859351, 904580, 1108840, 1718702, 1809160, 2217680, 3437404, 3618320, 4296755, 6874808, 8593510, 13749616, 17187020, 34374040, 68748080]

約数ペア:

[(1, 68748080), (2, 34374040), (4, 17187020), (5, 13749616), (8, 8593510), (10, 6874808), (16, 4296755), (19, 3618320), (20, 3437404), (31, 2217680), (38, 1809160), (40, 1718702), (62, 1108840), (76, 904580), (80, 859351), (95, 723664), (124, 554420), (152, 452290), (155, 443536), (190, 361832), (248, 277210), (304, 226145), (310, 221768), (380, 180916), (496, 138605), (589, 116720), (620, 110884), (760, 90458), (1178, 58360), (1240, 55442), (1459, 47120), (1520, 45229), (2356, 29180), (2480, 27721), (2918, 23560), (2945, 23344), (4712, 14590), (5836, 11780), (5890, 11672), (7295, 9424)]