17128880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 25725520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 191, 236, 295, 304, 380, 382, 472, 590, 760, 764, 944, 955, 1121, 1180, 1520, 1528, 1910, 2242, 2360, 3056, 3629, 3820, 4484, 4720, 5605, 7258, 7640, 8968, 11210, 11269, 14516, 15280, 17936, 18145, 22420, 22538, 29032, 36290, 44840, 45076, 56345, 58064, 72580, 89680, 90152, 112690, 145160, 180304, 214111, 225380, 290320, 428222, 450760, 856444, 901520, 1070555, 1712888, 2141110, 3425776, 4282220, 8564440, 17128880]

約数ペア:

[(1, 17128880), (2, 8564440), (4, 4282220), (5, 3425776), (8, 2141110), (10, 1712888), (16, 1070555), (19, 901520), (20, 856444), (38, 450760), (40, 428222), (59, 290320), (76, 225380), (80, 214111), (95, 180304), (118, 145160), (152, 112690), (190, 90152), (191, 89680), (236, 72580), (295, 58064), (304, 56345), (380, 45076), (382, 44840), (472, 36290), (590, 29032), (760, 22538), (764, 22420), (944, 18145), (955, 17936), (1121, 15280), (1180, 14516), (1520, 11269), (1528, 11210), (1910, 8968), (2242, 7640), (2360, 7258), (3056, 5605), (3629, 4720), (3820, 4484)]