128959560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1231}}^1$

素因数の和:1348

約数の個数: 128

約数和(自身を含む): 434649600

約数和(自身を除く): 305690040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 97, 108, 120, 135, 180, 194, 216, 270, 291, 360, 388, 485, 540, 582, 776, 873, 970, 1080, 1164, 1231, 1455, 1746, 1940, 2328, 2462, 2619, 2910, 3492, 3693, 3880, 4365, 4924, 5238, 5820, 6155, 6984, 7386, 8730, 9848, 10476, 11079, 11640, 12310, 13095, 14772, 17460, 18465, 20952, 22158, 24620, 26190, 29544, 33237, 34920, 36930, 44316, 49240, 52380, 55395, 66474, 73860, 88632, 104760, 110790, 119407, 132948, 147720, 166185, 221580, 238814, 265896, 332370, 358221, 443160, 477628, 597035, 664740, 716442, 955256, 1074663, 1194070, 1329480, 1432884, 1791105, 2149326, 2388140, 2865768, 3223989, 3582210, 4298652, 4776280, 5373315, 6447978, 7164420, 8597304, 10746630, 12895956, 14328840, 16119945, 21493260, 25791912, 32239890, 42986520, 64479780, 128959560]

約数ペア:

[(1, 128959560), (2, 64479780), (3, 42986520), (4, 32239890), (5, 25791912), (6, 21493260), (8, 16119945), (9, 14328840), (10, 12895956), (12, 10746630), (15, 8597304), (18, 7164420), (20, 6447978), (24, 5373315), (27, 4776280), (30, 4298652), (36, 3582210), (40, 3223989), (45, 2865768), (54, 2388140), (60, 2149326), (72, 1791105), (90, 1432884), (97, 1329480), (108, 1194070), (120, 1074663), (135, 955256), (180, 716442), (194, 664740), (216, 597035), (270, 477628), (291, 443160), (360, 358221), (388, 332370), (485, 265896), (540, 238814), (582, 221580), (776, 166185), (873, 147720), (970, 132948), (1080, 119407), (1164, 110790), (1231, 104760), (1455, 88632), (1746, 73860), (1940, 66474), (2328, 55395), (2462, 52380), (2619, 49240), (2910, 44316), (3492, 36930), (3693, 34920), (3880, 33237), (4365, 29544), (4924, 26190), (5238, 24620), (5820, 22158), (6155, 20952), (6984, 18465), (7386, 17460), (8730, 14772), (9848, 13095), (10476, 12310), (11079, 11640)]