15968440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 39735360

約数和(自身を除く): 23766920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1021, 1564, 1955, 2042, 3128, 3910, 4084, 5105, 7820, 8168, 10210, 15640, 17357, 20420, 23483, 34714, 40840, 46966, 69428, 86785, 93932, 117415, 138856, 173570, 187864, 234830, 347140, 399211, 469660, 694280, 798422, 939320, 1596844, 1996055, 3193688, 3992110, 7984220, 15968440]

約数ペア:

[(1, 15968440), (2, 7984220), (4, 3992110), (5, 3193688), (8, 1996055), (10, 1596844), (17, 939320), (20, 798422), (23, 694280), (34, 469660), (40, 399211), (46, 347140), (68, 234830), (85, 187864), (92, 173570), (115, 138856), (136, 117415), (170, 93932), (184, 86785), (230, 69428), (340, 46966), (391, 40840), (460, 34714), (680, 23483), (782, 20420), (920, 17357), (1021, 15640), (1564, 10210), (1955, 8168), (2042, 7820), (3128, 5105), (3910, 4084)]