15121920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:216

約数の個数: 160

約数和(自身を含む): 53032320

約数和(自身を除く): 37910400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 179, 192, 220, 240, 256, 264, 320, 330, 352, 358, 384, 440, 480, 512, 528, 537, 640, 660, 704, 716, 768, 880, 895, 960, 1056, 1074, 1280, 1320, 1408, 1432, 1536, 1760, 1790, 1920, 1969, 2112, 2148, 2560, 2640, 2685, 2816, 2864, 3520, 3580, 3840, 3938, 4224, 4296, 5280, 5370, 5632, 5728, 5907, 7040, 7160, 7680, 7876, 8448, 8592, 9845, 10560, 10740, 11456, 11814, 14080, 14320, 15752, 16896, 17184, 19690, 21120, 21480, 22912, 23628, 28160, 28640, 29535, 31504, 34368, 39380, 42240, 42960, 45824, 47256, 57280, 59070, 63008, 68736, 78760, 84480, 85920, 91648, 94512, 114560, 118140, 126016, 137472, 157520, 171840, 189024, 229120, 236280, 252032, 274944, 315040, 343680, 378048, 458240, 472560, 504064, 630080, 687360, 756096, 945120, 1008128, 1260160, 1374720, 1512192, 1890240, 2520320, 3024384, 3780480, 5040640, 7560960, 15121920]

約数ペア:

[(1, 15121920), (2, 7560960), (3, 5040640), (4, 3780480), (5, 3024384), (6, 2520320), (8, 1890240), (10, 1512192), (11, 1374720), (12, 1260160), (15, 1008128), (16, 945120), (20, 756096), (22, 687360), (24, 630080), (30, 504064), (32, 472560), (33, 458240), (40, 378048), (44, 343680), (48, 315040), (55, 274944), (60, 252032), (64, 236280), (66, 229120), (80, 189024), (88, 171840), (96, 157520), (110, 137472), (120, 126016), (128, 118140), (132, 114560), (160, 94512), (165, 91648), (176, 85920), (179, 84480), (192, 78760), (220, 68736), (240, 63008), (256, 59070), (264, 57280), (320, 47256), (330, 45824), (352, 42960), (358, 42240), (384, 39380), (440, 34368), (480, 31504), (512, 29535), (528, 28640), (537, 28160), (640, 23628), (660, 22912), (704, 21480), (716, 21120), (768, 19690), (880, 17184), (895, 16896), (960, 15752), (1056, 14320), (1074, 14080), (1280, 11814), (1320, 11456), (1408, 10740), (1432, 10560), (1536, 9845), (1760, 8592), (1790, 8448), (1920, 7876), (1969, 7680), (2112, 7160), (2148, 7040), (2560, 5907), (2640, 5728), (2685, 5632), (2816, 5370), (2864, 5280), (3520, 4296), (3580, 4224), (3840, 3938)]