137961520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 329764608

約数和(自身を除く): 191803088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 107, 142, 214, 227, 284, 355, 428, 454, 535, 568, 710, 856, 908, 1070, 1135, 1136, 1420, 1712, 1816, 2140, 2270, 2840, 3632, 4280, 4540, 5680, 7597, 8560, 9080, 15194, 16117, 18160, 24289, 30388, 32234, 37985, 48578, 60776, 64468, 75970, 80585, 97156, 121445, 121552, 128936, 151940, 161170, 194312, 242890, 257872, 303880, 322340, 388624, 485780, 607760, 644680, 971560, 1289360, 1724519, 1943120, 3449038, 6898076, 8622595, 13796152, 17245190, 27592304, 34490380, 68980760, 137961520]

約数ペア:

[(1, 137961520), (2, 68980760), (4, 34490380), (5, 27592304), (8, 17245190), (10, 13796152), (16, 8622595), (20, 6898076), (40, 3449038), (71, 1943120), (80, 1724519), (107, 1289360), (142, 971560), (214, 644680), (227, 607760), (284, 485780), (355, 388624), (428, 322340), (454, 303880), (535, 257872), (568, 242890), (710, 194312), (856, 161170), (908, 151940), (1070, 128936), (1135, 121552), (1136, 121445), (1420, 97156), (1712, 80585), (1816, 75970), (2140, 64468), (2270, 60776), (2840, 48578), (3632, 37985), (4280, 32234), (4540, 30388), (5680, 24289), (7597, 18160), (8560, 16117), (9080, 15194)]