15516720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:979

約数の個数: 120

約数和(自身を含む): 54434016

約数和(自身を除く): 38917296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 937, 1035, 1104, 1380, 1656, 1840, 1874, 2070, 2760, 2811, 3312, 3748, 4140, 4685, 5520, 5622, 7496, 8280, 8433, 9370, 11244, 14055, 14992, 16560, 16866, 18740, 21551, 22488, 28110, 33732, 37480, 42165, 43102, 44976, 56220, 64653, 67464, 74960, 84330, 86204, 107755, 112440, 129306, 134928, 168660, 172408, 193959, 215510, 224880, 258612, 323265, 337320, 344816, 387918, 431020, 517224, 646530, 674640, 775836, 862040, 969795, 1034448, 1293060, 1551672, 1724080, 1939590, 2586120, 3103344, 3879180, 5172240, 7758360, 15516720]

約数ペア:

[(1, 15516720), (2, 7758360), (3, 5172240), (4, 3879180), (5, 3103344), (6, 2586120), (8, 1939590), (9, 1724080), (10, 1551672), (12, 1293060), (15, 1034448), (16, 969795), (18, 862040), (20, 775836), (23, 674640), (24, 646530), (30, 517224), (36, 431020), (40, 387918), (45, 344816), (46, 337320), (48, 323265), (60, 258612), (69, 224880), (72, 215510), (80, 193959), (90, 172408), (92, 168660), (115, 134928), (120, 129306), (138, 112440), (144, 107755), (180, 86204), (184, 84330), (207, 74960), (230, 67464), (240, 64653), (276, 56220), (345, 44976), (360, 43102), (368, 42165), (414, 37480), (460, 33732), (552, 28110), (690, 22488), (720, 21551), (828, 18740), (920, 16866), (937, 16560), (1035, 14992), (1104, 14055), (1380, 11244), (1656, 9370), (1840, 8433), (1874, 8280), (2070, 7496), (2760, 5622), (2811, 5520), (3312, 4685), (3748, 4140)]