15726040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 39087360

約数和(自身を除く): 23361320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 347, 412, 440, 515, 694, 824, 1030, 1133, 1388, 1735, 2060, 2266, 2776, 3470, 3817, 4120, 4532, 5665, 6940, 7634, 9064, 11330, 13880, 15268, 19085, 22660, 30536, 35741, 38170, 45320, 71482, 76340, 142964, 152680, 178705, 285928, 357410, 393151, 714820, 786302, 1429640, 1572604, 1965755, 3145208, 3931510, 7863020, 15726040]

約数ペア:

[(1, 15726040), (2, 7863020), (4, 3931510), (5, 3145208), (8, 1965755), (10, 1572604), (11, 1429640), (20, 786302), (22, 714820), (40, 393151), (44, 357410), (55, 285928), (88, 178705), (103, 152680), (110, 142964), (206, 76340), (220, 71482), (347, 45320), (412, 38170), (440, 35741), (515, 30536), (694, 22660), (824, 19085), (1030, 15268), (1133, 13880), (1388, 11330), (1735, 9064), (2060, 7634), (2266, 6940), (2776, 5665), (3470, 4532), (3817, 4120)]