1228809040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{35149}}^1$

素因数の和:35204

約数の個数: 80

約数和(自身を含む): 3138192000

約数和(自身を除く): 1909382960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 3496, 4370, 6992, 8740, 17480, 34960, 35149, 70298, 140596, 175745, 281192, 351490, 562384, 667831, 702980, 808427, 1335662, 1405960, 1616854, 2671324, 2811920, 3233708, 3339155, 4042135, 5342648, 6467416, 6678310, 8084270, 10685296, 12934832, 13356620, 15360113, 16168540, 26713240, 30720226, 32337080, 53426480, 61440452, 64674160, 76800565, 122880904, 153601130, 245761808, 307202260, 614404520, 1228809040]

約数ペア:

[(1, 1228809040), (2, 614404520), (4, 307202260), (5, 245761808), (8, 153601130), (10, 122880904), (16, 76800565), (19, 64674160), (20, 61440452), (23, 53426480), (38, 32337080), (40, 30720226), (46, 26713240), (76, 16168540), (80, 15360113), (92, 13356620), (95, 12934832), (115, 10685296), (152, 8084270), (184, 6678310), (190, 6467416), (230, 5342648), (304, 4042135), (368, 3339155), (380, 3233708), (437, 2811920), (460, 2671324), (760, 1616854), (874, 1405960), (920, 1335662), (1520, 808427), (1748, 702980), (1840, 667831), (2185, 562384), (3496, 351490), (4370, 281192), (6992, 175745), (8740, 140596), (17480, 70298), (34960, 35149)]