160784080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:932

約数の個数: 80

約数和(自身を含む): 396849600

約数和(自身を除く): 236065520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 139, 152, 190, 278, 304, 380, 556, 695, 760, 761, 1112, 1390, 1520, 1522, 2224, 2641, 2780, 3044, 3805, 5282, 5560, 6088, 7610, 10564, 11120, 12176, 13205, 14459, 15220, 21128, 26410, 28918, 30440, 42256, 52820, 57836, 60880, 72295, 105640, 105779, 115672, 144590, 211280, 211558, 231344, 289180, 423116, 528895, 578360, 846232, 1057790, 1156720, 1692464, 2009801, 2115580, 4019602, 4231160, 8039204, 8462320, 10049005, 16078408, 20098010, 32156816, 40196020, 80392040, 160784080]

約数ペア:

[(1, 160784080), (2, 80392040), (4, 40196020), (5, 32156816), (8, 20098010), (10, 16078408), (16, 10049005), (19, 8462320), (20, 8039204), (38, 4231160), (40, 4019602), (76, 2115580), (80, 2009801), (95, 1692464), (139, 1156720), (152, 1057790), (190, 846232), (278, 578360), (304, 528895), (380, 423116), (556, 289180), (695, 231344), (760, 211558), (761, 211280), (1112, 144590), (1390, 115672), (1520, 105779), (1522, 105640), (2224, 72295), (2641, 60880), (2780, 57836), (3044, 52820), (3805, 42256), (5282, 30440), (5560, 28918), (6088, 26410), (7610, 21128), (10564, 15220), (11120, 14459), (12176, 13205)]