161923440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^4\times {\mathrm{281}}^1$

素因数の和:325

約数の個数: 200

約数和(自身を含む): 587672208

約数和(自身を除く): 425748768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 281, 294, 336, 343, 392, 420, 490, 560, 562, 588, 686, 735, 784, 840, 843, 980, 1029, 1124, 1176, 1372, 1405, 1470, 1680, 1686, 1715, 1960, 1967, 2058, 2248, 2352, 2401, 2744, 2810, 2940, 3372, 3430, 3920, 3934, 4116, 4215, 4496, 4802, 5145, 5488, 5620, 5880, 5901, 6744, 6860, 7203, 7868, 8232, 8430, 9604, 9835, 10290, 11240, 11760, 11802, 12005, 13488, 13720, 13769, 14406, 15736, 16464, 16860, 19208, 19670, 20580, 22480, 23604, 24010, 27440, 27538, 28812, 29505, 31472, 33720, 36015, 38416, 39340, 41160, 41307, 47208, 48020, 55076, 57624, 59010, 67440, 68845, 72030, 78680, 82320, 82614, 94416, 96040, 96383, 110152, 115248, 118020, 137690, 144060, 157360, 165228, 192080, 192766, 206535, 220304, 236040, 275380, 288120, 289149, 330456, 385532, 413070, 472080, 481915, 550760, 576240, 578298, 660912, 674681, 771064, 826140, 963830, 1101520, 1156596, 1349362, 1445745, 1542128, 1652280, 1927660, 2024043, 2313192, 2698724, 2891490, 3304560, 3373405, 3855320, 4048086, 4626384, 5397448, 5782980, 6746810, 7710640, 8096172, 10120215, 10794896, 11565960, 13493620, 16192344, 20240430, 23131920, 26987240, 32384688, 40480860, 53974480, 80961720, 161923440]

約数ペア:

[(1, 161923440), (2, 80961720), (3, 53974480), (4, 40480860), (5, 32384688), (6, 26987240), (7, 23131920), (8, 20240430), (10, 16192344), (12, 13493620), (14, 11565960), (15, 10794896), (16, 10120215), (20, 8096172), (21, 7710640), (24, 6746810), (28, 5782980), (30, 5397448), (35, 4626384), (40, 4048086), (42, 3855320), (48, 3373405), (49, 3304560), (56, 2891490), (60, 2698724), (70, 2313192), (80, 2024043), (84, 1927660), (98, 1652280), (105, 1542128), (112, 1445745), (120, 1349362), (140, 1156596), (147, 1101520), (168, 963830), (196, 826140), (210, 771064), (240, 674681), (245, 660912), (280, 578298), (281, 576240), (294, 550760), (336, 481915), (343, 472080), (392, 413070), (420, 385532), (490, 330456), (560, 289149), (562, 288120), (588, 275380), (686, 236040), (735, 220304), (784, 206535), (840, 192766), (843, 192080), (980, 165228), (1029, 157360), (1124, 144060), (1176, 137690), (1372, 118020), (1405, 115248), (1470, 110152), (1680, 96383), (1686, 96040), (1715, 94416), (1960, 82614), (1967, 82320), (2058, 78680), (2248, 72030), (2352, 68845), (2401, 67440), (2744, 59010), (2810, 57624), (2940, 55076), (3372, 48020), (3430, 47208), (3920, 41307), (3934, 41160), (4116, 39340), (4215, 38416), (4496, 36015), (4802, 33720), (5145, 31472), (5488, 29505), (5620, 28812), (5880, 27538), (5901, 27440), (6744, 24010), (6860, 23604), (7203, 22480), (7868, 20580), (8232, 19670), (8430, 19208), (9604, 16860), (9835, 16464), (10290, 15736), (11240, 14406), (11760, 13769), (11802, 13720), (12005, 13488)]