61771920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:549

約数の個数: 160

約数和(自身を含む): 221985792

約数和(自身を除く): 160213872

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, 56, 60, 70, 80, 83, 84, 105, 112, 120, 140, 166, 168, 210, 240, 249, 280, 332, 336, 415, 420, 443, 498, 560, 581, 664, 830, 840, 886, 996, 1162, 1245, 1328, 1329, 1660, 1680, 1743, 1772, 1992, 2215, 2324, 2490, 2658, 2905, 3101, 3320, 3486, 3544, 3984, 4430, 4648, 4980, 5316, 5810, 6202, 6640, 6645, 6972, 7088, 8715, 8860, 9296, 9303, 9960, 10632, 11620, 12404, 13290, 13944, 15505, 17430, 17720, 18606, 19920, 21264, 23240, 24808, 26580, 27888, 31010, 34860, 35440, 36769, 37212, 46480, 46515, 49616, 53160, 62020, 69720, 73538, 74424, 93030, 106320, 110307, 124040, 139440, 147076, 148848, 183845, 186060, 220614, 248080, 257383, 294152, 367690, 372120, 441228, 514766, 551535, 588304, 735380, 744240, 772149, 882456, 1029532, 1103070, 1286915, 1470760, 1544298, 1764912, 2059064, 2206140, 2573830, 2941520, 3088596, 3860745, 4118128, 4412280, 5147660, 6177192, 7721490, 8824560, 10295320, 12354384, 15442980, 20590640, 30885960, 61771920]

約数ペア:

[(1, 61771920), (2, 30885960), (3, 20590640), (4, 15442980), (5, 12354384), (6, 10295320), (7, 8824560), (8, 7721490), (10, 6177192), (12, 5147660), (14, 4412280), (15, 4118128), (16, 3860745), (20, 3088596), (21, 2941520), (24, 2573830), (28, 2206140), (30, 2059064), (35, 1764912), (40, 1544298), (42, 1470760), (48, 1286915), (56, 1103070), (60, 1029532), (70, 882456), (80, 772149), (83, 744240), (84, 735380), (105, 588304), (112, 551535), (120, 514766), (140, 441228), (166, 372120), (168, 367690), (210, 294152), (240, 257383), (249, 248080), (280, 220614), (332, 186060), (336, 183845), (415, 148848), (420, 147076), (443, 139440), (498, 124040), (560, 110307), (581, 106320), (664, 93030), (830, 74424), (840, 73538), (886, 69720), (996, 62020), (1162, 53160), (1245, 49616), (1328, 46515), (1329, 46480), (1660, 37212), (1680, 36769), (1743, 35440), (1772, 34860), (1992, 31010), (2215, 27888), (2324, 26580), (2490, 24808), (2658, 23240), (2905, 21264), (3101, 19920), (3320, 18606), (3486, 17720), (3544, 17430), (3984, 15505), (4430, 13944), (4648, 13290), (4980, 12404), (5316, 11620), (5810, 10632), (6202, 9960), (6640, 9303), (6645, 9296), (6972, 8860), (7088, 8715)]