30606720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:880

約数の個数: 128

約数和(自身を含む): 102816000

約数和(自身を除く): 72209280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 839, 912, 960, 1140, 1216, 1520, 1678, 1824, 1920, 2280, 2432, 2517, 3040, 3356, 3648, 4195, 4560, 5034, 6080, 6712, 7296, 8390, 9120, 10068, 12160, 12585, 13424, 15941, 16780, 18240, 20136, 25170, 26848, 31882, 33560, 36480, 40272, 47823, 50340, 53696, 63764, 67120, 79705, 80544, 95646, 100680, 107392, 127528, 134240, 159410, 161088, 191292, 201360, 239115, 255056, 268480, 318820, 322176, 382584, 402720, 478230, 510112, 536960, 637640, 765168, 805440, 956460, 1020224, 1275280, 1530336, 1610880, 1912920, 2040448, 2550560, 3060672, 3825840, 5101120, 6121344, 7651680, 10202240, 15303360, 30606720]

約数ペア:

[(1, 30606720), (2, 15303360), (3, 10202240), (4, 7651680), (5, 6121344), (6, 5101120), (8, 3825840), (10, 3060672), (12, 2550560), (15, 2040448), (16, 1912920), (19, 1610880), (20, 1530336), (24, 1275280), (30, 1020224), (32, 956460), (38, 805440), (40, 765168), (48, 637640), (57, 536960), (60, 510112), (64, 478230), (76, 402720), (80, 382584), (95, 322176), (96, 318820), (114, 268480), (120, 255056), (128, 239115), (152, 201360), (160, 191292), (190, 161088), (192, 159410), (228, 134240), (240, 127528), (285, 107392), (304, 100680), (320, 95646), (380, 80544), (384, 79705), (456, 67120), (480, 63764), (570, 53696), (608, 50340), (640, 47823), (760, 40272), (839, 36480), (912, 33560), (960, 31882), (1140, 26848), (1216, 25170), (1520, 20136), (1678, 18240), (1824, 16780), (1920, 15941), (2280, 13424), (2432, 12585), (2517, 12160), (3040, 10068), (3356, 9120), (3648, 8390), (4195, 7296), (4560, 6712), (5034, 6080)]