819103120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15259}}^1$

素因数の和:15344

約数の個数: 80

約数和(自身を含む): 2111739840

約数和(自身を除く): 1292636720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 440, 488, 610, 671, 880, 976, 1220, 1342, 2440, 2684, 3355, 4880, 5368, 6710, 10736, 13420, 15259, 26840, 30518, 53680, 61036, 76295, 122072, 152590, 167849, 244144, 305180, 335698, 610360, 671396, 839245, 930799, 1220720, 1342792, 1678490, 1861598, 2685584, 3356980, 3723196, 4653995, 6713960, 7446392, 9307990, 10238789, 13427920, 14892784, 18615980, 20477578, 37231960, 40955156, 51193945, 74463920, 81910312, 102387890, 163820624, 204775780, 409551560, 819103120]

約数ペア:

[(1, 819103120), (2, 409551560), (4, 204775780), (5, 163820624), (8, 102387890), (10, 81910312), (11, 74463920), (16, 51193945), (20, 40955156), (22, 37231960), (40, 20477578), (44, 18615980), (55, 14892784), (61, 13427920), (80, 10238789), (88, 9307990), (110, 7446392), (122, 6713960), (176, 4653995), (220, 3723196), (244, 3356980), (305, 2685584), (440, 1861598), (488, 1678490), (610, 1342792), (671, 1220720), (880, 930799), (976, 839245), (1220, 671396), (1342, 610360), (2440, 335698), (2684, 305180), (3355, 244144), (4880, 167849), (5368, 152590), (6710, 122072), (10736, 76295), (13420, 61036), (15259, 53680), (26840, 30518)]