6465320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 15724800

約数和(自身を除く): 9259480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 181, 188, 190, 235, 362, 376, 380, 470, 724, 760, 893, 905, 940, 1448, 1786, 1810, 1880, 3439, 3572, 3620, 4465, 6878, 7144, 7240, 8507, 8930, 13756, 17014, 17195, 17860, 27512, 34028, 34390, 35720, 42535, 68056, 68780, 85070, 137560, 161633, 170140, 323266, 340280, 646532, 808165, 1293064, 1616330, 3232660, 6465320]

約数ペア:

[(1, 6465320), (2, 3232660), (4, 1616330), (5, 1293064), (8, 808165), (10, 646532), (19, 340280), (20, 323266), (38, 170140), (40, 161633), (47, 137560), (76, 85070), (94, 68780), (95, 68056), (152, 42535), (181, 35720), (188, 34390), (190, 34028), (235, 27512), (362, 17860), (376, 17195), (380, 17014), (470, 13756), (724, 8930), (760, 8507), (893, 7240), (905, 7144), (940, 6878), (1448, 4465), (1786, 3620), (1810, 3572), (1880, 3439)]