127798840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1373}}^1$

素因数の和:1576

約数の個数: 64

約数和(自身を含む): 311623200

約数和(自身を除く): 183824360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 179, 260, 358, 520, 716, 895, 1373, 1432, 1790, 2327, 2746, 3580, 4654, 5492, 6865, 7160, 9308, 10984, 11635, 13730, 17849, 18616, 23270, 27460, 35698, 46540, 54920, 71396, 89245, 93080, 142792, 178490, 245767, 356980, 491534, 713960, 983068, 1228835, 1966136, 2457670, 3194971, 4915340, 6389942, 9830680, 12779884, 15974855, 25559768, 31949710, 63899420, 127798840]

約数ペア:

[(1, 127798840), (2, 63899420), (4, 31949710), (5, 25559768), (8, 15974855), (10, 12779884), (13, 9830680), (20, 6389942), (26, 4915340), (40, 3194971), (52, 2457670), (65, 1966136), (104, 1228835), (130, 983068), (179, 713960), (260, 491534), (358, 356980), (520, 245767), (716, 178490), (895, 142792), (1373, 93080), (1432, 89245), (1790, 71396), (2327, 54920), (2746, 46540), (3580, 35698), (4654, 27460), (5492, 23270), (6865, 18616), (7160, 17849), (9308, 13730), (10984, 11635)]