161490120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:228

約数の個数: 256

約数和(自身を含む): 572313600

約数和(自身を除く): 410823480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 47, 55, 57, 60, 66, 76, 88, 94, 95, 110, 114, 120, 132, 137, 141, 152, 165, 188, 190, 209, 220, 228, 235, 264, 274, 282, 285, 330, 376, 380, 411, 418, 440, 456, 470, 517, 548, 564, 570, 627, 660, 685, 705, 760, 822, 836, 893, 940, 1034, 1045, 1096, 1128, 1140, 1254, 1320, 1370, 1410, 1507, 1551, 1644, 1672, 1786, 1880, 2055, 2068, 2090, 2280, 2508, 2585, 2603, 2679, 2740, 2820, 3014, 3102, 3135, 3288, 3572, 4110, 4136, 4180, 4465, 4521, 5016, 5170, 5206, 5358, 5480, 5640, 6028, 6204, 6270, 6439, 7144, 7535, 7755, 7809, 8220, 8360, 8930, 9042, 9823, 10340, 10412, 10716, 12056, 12408, 12540, 12878, 13015, 13395, 15070, 15510, 15618, 16440, 17860, 18084, 19317, 19646, 20680, 20824, 21432, 22605, 25080, 25756, 26030, 26790, 28633, 29469, 30140, 31020, 31236, 32195, 35720, 36168, 38634, 39045, 39292, 45210, 49115, 51512, 52060, 53580, 57266, 58938, 60280, 62040, 62472, 64390, 70829, 77268, 78090, 78584, 85899, 90420, 96585, 98230, 104120, 107160, 114532, 117876, 122341, 128780, 141658, 143165, 147345, 154536, 156180, 171798, 180840, 193170, 196460, 212487, 229064, 235752, 244682, 257560, 283316, 286330, 294690, 312360, 343596, 354145, 367023, 386340, 392920, 424974, 429495, 489364, 566632, 572660, 589380, 611705, 687192, 708290, 734046, 772680, 849948, 858990, 978728, 1062435, 1145320, 1178760, 1223410, 1345751, 1416580, 1468092, 1699896, 1717980, 1835115, 2124870, 2446820, 2691502, 2833160, 2936184, 3435960, 3670230, 4037253, 4249740, 4893640, 5383004, 6728755, 7340460, 8074506, 8499480, 10766008, 13457510, 14680920, 16149012, 20186265, 26915020, 32298024, 40372530, 53830040, 80745060, 161490120]

約数ペア:

[(1, 161490120), (2, 80745060), (3, 53830040), (4, 40372530), (5, 32298024), (6, 26915020), (8, 20186265), (10, 16149012), (11, 14680920), (12, 13457510), (15, 10766008), (19, 8499480), (20, 8074506), (22, 7340460), (24, 6728755), (30, 5383004), (33, 4893640), (38, 4249740), (40, 4037253), (44, 3670230), (47, 3435960), (55, 2936184), (57, 2833160), (60, 2691502), (66, 2446820), (76, 2124870), (88, 1835115), (94, 1717980), (95, 1699896), (110, 1468092), (114, 1416580), (120, 1345751), (132, 1223410), (137, 1178760), (141, 1145320), (152, 1062435), (165, 978728), (188, 858990), (190, 849948), (209, 772680), (220, 734046), (228, 708290), (235, 687192), (264, 611705), (274, 589380), (282, 572660), (285, 566632), (330, 489364), (376, 429495), (380, 424974), (411, 392920), (418, 386340), (440, 367023), (456, 354145), (470, 343596), (517, 312360), (548, 294690), (564, 286330), (570, 283316), (627, 257560), (660, 244682), (685, 235752), (705, 229064), (760, 212487), (822, 196460), (836, 193170), (893, 180840), (940, 171798), (1034, 156180), (1045, 154536), (1096, 147345), (1128, 143165), (1140, 141658), (1254, 128780), (1320, 122341), (1370, 117876), (1410, 114532), (1507, 107160), (1551, 104120), (1644, 98230), (1672, 96585), (1786, 90420), (1880, 85899), (2055, 78584), (2068, 78090), (2090, 77268), (2280, 70829), (2508, 64390), (2585, 62472), (2603, 62040), (2679, 60280), (2740, 58938), (2820, 57266), (3014, 53580), (3102, 52060), (3135, 51512), (3288, 49115), (3572, 45210), (4110, 39292), (4136, 39045), (4180, 38634), (4465, 36168), (4521, 35720), (5016, 32195), (5170, 31236), (5206, 31020), (5358, 30140), (5480, 29469), (5640, 28633), (6028, 26790), (6204, 26030), (6270, 25756), (6439, 25080), (7144, 22605), (7535, 21432), (7755, 20824), (7809, 20680), (8220, 19646), (8360, 19317), (8930, 18084), (9042, 17860), (9823, 16440), (10340, 15618), (10412, 15510), (10716, 15070), (12056, 13395), (12408, 13015), (12540, 12878)]