81980520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7043}}^1$

素因数の和:7154

約数の個数: 64

約数和(自身を含む): 248512320

約数和(自身を除く): 166531800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 7043, 11640, 14086, 21129, 28172, 35215, 42258, 56344, 70430, 84516, 105645, 140860, 169032, 211290, 281720, 422580, 683171, 845160, 1366342, 2049513, 2732684, 3415855, 4099026, 5465368, 6831710, 8198052, 10247565, 13663420, 16396104, 20495130, 27326840, 40990260, 81980520]

約数ペア:

[(1, 81980520), (2, 40990260), (3, 27326840), (4, 20495130), (5, 16396104), (6, 13663420), (8, 10247565), (10, 8198052), (12, 6831710), (15, 5465368), (20, 4099026), (24, 3415855), (30, 2732684), (40, 2049513), (60, 1366342), (97, 845160), (120, 683171), (194, 422580), (291, 281720), (388, 211290), (485, 169032), (582, 140860), (776, 105645), (970, 84516), (1164, 70430), (1455, 56344), (1940, 42258), (2328, 35215), (2910, 28172), (3880, 21129), (5820, 14086), (7043, 11640)]