391470240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{443}}^1$

素因数の和:731

約数の個数: 192

約数和(自身を含む): 1417844736

約数和(自身を除く): 1026374496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 263, 280, 336, 420, 443, 480, 526, 560, 672, 789, 840, 886, 1052, 1120, 1315, 1329, 1578, 1680, 1772, 1841, 2104, 2215, 2630, 2658, 3101, 3156, 3360, 3544, 3682, 3945, 4208, 4430, 5260, 5316, 5523, 6202, 6312, 6645, 7088, 7364, 7890, 8416, 8860, 9205, 9303, 10520, 10632, 11046, 12404, 12624, 13290, 14176, 14728, 15505, 15780, 17720, 18410, 18606, 21040, 21264, 22092, 24808, 25248, 26580, 27615, 29456, 31010, 31560, 35440, 36820, 37212, 42080, 42528, 44184, 46515, 49616, 53160, 55230, 58912, 62020, 63120, 70880, 73640, 74424, 88368, 93030, 99232, 106320, 110460, 116509, 124040, 126240, 147280, 148848, 176736, 186060, 212640, 220920, 233018, 248080, 294560, 297696, 349527, 372120, 441840, 466036, 496160, 582545, 699054, 744240, 815563, 883680, 932072, 1165090, 1398108, 1488480, 1631126, 1747635, 1864144, 2330180, 2446689, 2796216, 3262252, 3495270, 3728288, 4077815, 4660360, 4893378, 5592432, 6524504, 6990540, 8155630, 9320720, 9786756, 11184864, 12233445, 13049008, 13981080, 16311260, 18641440, 19573512, 24466890, 26098016, 27962160, 32622520, 39147024, 48933780, 55924320, 65245040, 78294048, 97867560, 130490080, 195735120, 391470240]

約数ペア:

[(1, 391470240), (2, 195735120), (3, 130490080), (4, 97867560), (5, 78294048), (6, 65245040), (7, 55924320), (8, 48933780), (10, 39147024), (12, 32622520), (14, 27962160), (15, 26098016), (16, 24466890), (20, 19573512), (21, 18641440), (24, 16311260), (28, 13981080), (30, 13049008), (32, 12233445), (35, 11184864), (40, 9786756), (42, 9320720), (48, 8155630), (56, 6990540), (60, 6524504), (70, 5592432), (80, 4893378), (84, 4660360), (96, 4077815), (105, 3728288), (112, 3495270), (120, 3262252), (140, 2796216), (160, 2446689), (168, 2330180), (210, 1864144), (224, 1747635), (240, 1631126), (263, 1488480), (280, 1398108), (336, 1165090), (420, 932072), (443, 883680), (480, 815563), (526, 744240), (560, 699054), (672, 582545), (789, 496160), (840, 466036), (886, 441840), (1052, 372120), (1120, 349527), (1315, 297696), (1329, 294560), (1578, 248080), (1680, 233018), (1772, 220920), (1841, 212640), (2104, 186060), (2215, 176736), (2630, 148848), (2658, 147280), (3101, 126240), (3156, 124040), (3360, 116509), (3544, 110460), (3682, 106320), (3945, 99232), (4208, 93030), (4430, 88368), (5260, 74424), (5316, 73640), (5523, 70880), (6202, 63120), (6312, 62020), (6645, 58912), (7088, 55230), (7364, 53160), (7890, 49616), (8416, 46515), (8860, 44184), (9205, 42528), (9303, 42080), (10520, 37212), (10632, 36820), (11046, 35440), (12404, 31560), (12624, 31010), (13290, 29456), (14176, 27615), (14728, 26580), (15505, 25248), (15780, 24808), (17720, 22092), (18410, 21264), (18606, 21040)]