31998780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5387}}^1$

素因数の和:5416

約数の個数: 96

約数和(自身を含む): 108622080

約数和(自身を除く): 76623300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 5387, 5940, 10774, 16161, 21548, 26935, 32322, 48483, 53870, 59257, 64644, 80805, 96966, 107740, 118514, 145449, 161610, 177771, 193932, 237028, 242415, 290898, 296285, 323220, 355542, 484830, 533313, 581796, 592570, 711084, 727245, 888855, 969660, 1066626, 1185140, 1454490, 1599939, 1777710, 2133252, 2666565, 2908980, 3199878, 3555420, 5333130, 6399756, 7999695, 10666260, 15999390, 31998780]

約数ペア:

[(1, 31998780), (2, 15999390), (3, 10666260), (4, 7999695), (5, 6399756), (6, 5333130), (9, 3555420), (10, 3199878), (11, 2908980), (12, 2666565), (15, 2133252), (18, 1777710), (20, 1599939), (22, 1454490), (27, 1185140), (30, 1066626), (33, 969660), (36, 888855), (44, 727245), (45, 711084), (54, 592570), (55, 581796), (60, 533313), (66, 484830), (90, 355542), (99, 323220), (108, 296285), (110, 290898), (132, 242415), (135, 237028), (165, 193932), (180, 177771), (198, 161610), (220, 145449), (270, 118514), (297, 107740), (330, 96966), (396, 80805), (495, 64644), (540, 59257), (594, 53870), (660, 48483), (990, 32322), (1188, 26935), (1485, 21548), (1980, 16161), (2970, 10774), (5387, 5940)]