30126780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 100638720

約数和(自身を除く): 70511940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 383, 414, 437, 460, 570, 684, 690, 766, 828, 855, 874, 1035, 1140, 1149, 1311, 1380, 1532, 1710, 1748, 1915, 2070, 2185, 2298, 2622, 3420, 3447, 3830, 3933, 4140, 4370, 4596, 5244, 5745, 6555, 6894, 7277, 7660, 7866, 8740, 8809, 11490, 13110, 13788, 14554, 15732, 17235, 17618, 19665, 21831, 22980, 26220, 26427, 29108, 34470, 35236, 36385, 39330, 43662, 44045, 52854, 65493, 68940, 72770, 78660, 79281, 87324, 88090, 105708, 109155, 130986, 132135, 145540, 158562, 167371, 176180, 218310, 261972, 264270, 317124, 327465, 334742, 396405, 436620, 502113, 528540, 654930, 669484, 792810, 836855, 1004226, 1309860, 1506339, 1585620, 1673710, 2008452, 2510565, 3012678, 3347420, 5021130, 6025356, 7531695, 10042260, 15063390, 30126780]

約数ペア:

[(1, 30126780), (2, 15063390), (3, 10042260), (4, 7531695), (5, 6025356), (6, 5021130), (9, 3347420), (10, 3012678), (12, 2510565), (15, 2008452), (18, 1673710), (19, 1585620), (20, 1506339), (23, 1309860), (30, 1004226), (36, 836855), (38, 792810), (45, 669484), (46, 654930), (57, 528540), (60, 502113), (69, 436620), (76, 396405), (90, 334742), (92, 327465), (95, 317124), (114, 264270), (115, 261972), (138, 218310), (171, 176180), (180, 167371), (190, 158562), (207, 145540), (228, 132135), (230, 130986), (276, 109155), (285, 105708), (342, 88090), (345, 87324), (380, 79281), (383, 78660), (414, 72770), (437, 68940), (460, 65493), (570, 52854), (684, 44045), (690, 43662), (766, 39330), (828, 36385), (855, 35236), (874, 34470), (1035, 29108), (1140, 26427), (1149, 26220), (1311, 22980), (1380, 21831), (1532, 19665), (1710, 17618), (1748, 17235), (1915, 15732), (2070, 14554), (2185, 13788), (2298, 13110), (2622, 11490), (3420, 8809), (3447, 8740), (3830, 7866), (3933, 7660), (4140, 7277), (4370, 6894), (4596, 6555), (5244, 5745)]