155877800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 393724800

約数和(自身を除く): 237847000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 167, 200, 260, 325, 334, 359, 520, 650, 668, 718, 835, 1300, 1336, 1436, 1670, 1795, 2171, 2600, 2872, 3340, 3590, 4175, 4342, 4667, 6680, 7180, 8350, 8684, 8975, 9334, 10855, 14360, 16700, 17368, 17950, 18668, 21710, 23335, 33400, 35900, 37336, 43420, 46670, 54275, 59953, 71800, 86840, 93340, 108550, 116675, 119906, 186680, 217100, 233350, 239812, 299765, 434200, 466700, 479624, 599530, 779389, 933400, 1199060, 1498825, 1558778, 2398120, 2997650, 3117556, 3896945, 5995300, 6235112, 7793890, 11990600, 15587780, 19484725, 31175560, 38969450, 77938900, 155877800]

約数ペア:

[(1, 155877800), (2, 77938900), (4, 38969450), (5, 31175560), (8, 19484725), (10, 15587780), (13, 11990600), (20, 7793890), (25, 6235112), (26, 5995300), (40, 3896945), (50, 3117556), (52, 2997650), (65, 2398120), (100, 1558778), (104, 1498825), (130, 1199060), (167, 933400), (200, 779389), (260, 599530), (325, 479624), (334, 466700), (359, 434200), (520, 299765), (650, 239812), (668, 233350), (718, 217100), (835, 186680), (1300, 119906), (1336, 116675), (1436, 108550), (1670, 93340), (1795, 86840), (2171, 71800), (2600, 59953), (2872, 54275), (3340, 46670), (3590, 43420), (4175, 37336), (4342, 35900), (4667, 33400), (6680, 23335), (7180, 21710), (8350, 18668), (8684, 17950), (8975, 17368), (9334, 16700), (10855, 14360)]