291121320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:248

約数の個数: 256

約数和(自身を含む): 1045094400

約数和(自身を除く): 753973080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 79, 82, 84, 105, 107, 120, 123, 140, 158, 164, 168, 205, 210, 214, 237, 246, 280, 287, 316, 321, 328, 395, 410, 420, 428, 474, 492, 535, 553, 574, 615, 632, 642, 749, 790, 820, 840, 856, 861, 948, 984, 1070, 1106, 1148, 1185, 1230, 1284, 1435, 1498, 1580, 1605, 1640, 1659, 1722, 1896, 2140, 2212, 2247, 2296, 2370, 2460, 2568, 2765, 2870, 2996, 3160, 3210, 3239, 3318, 3444, 3745, 4280, 4305, 4387, 4424, 4494, 4740, 4920, 5530, 5740, 5992, 6420, 6478, 6636, 6888, 7490, 8295, 8453, 8610, 8774, 8988, 9480, 9717, 11060, 11235, 11480, 12840, 12956, 13161, 13272, 14980, 16195, 16590, 16906, 17220, 17548, 17976, 19434, 21935, 22120, 22470, 22673, 25359, 25912, 26322, 29960, 30709, 32390, 33180, 33812, 34440, 35096, 38868, 42265, 43870, 44940, 45346, 48585, 50718, 52644, 59171, 61418, 64780, 65805, 66360, 67624, 68019, 77736, 84530, 87740, 89880, 90692, 92127, 97170, 101436, 105288, 113365, 118342, 122836, 126795, 129560, 131610, 136038, 153545, 169060, 175480, 177513, 181384, 184254, 194340, 202872, 226730, 236684, 245672, 253590, 263220, 272076, 295855, 307090, 338120, 340095, 346573, 355026, 368508, 388680, 453460, 460635, 473368, 507180, 526440, 544152, 591710, 614180, 680190, 693146, 710052, 737016, 887565, 906920, 921270, 1014360, 1039719, 1183420, 1228360, 1360380, 1386292, 1420104, 1732865, 1775130, 1842540, 2079438, 2366840, 2426011, 2720760, 2772584, 3465730, 3550260, 3685080, 4158876, 4852022, 5198595, 6931460, 7100520, 7278033, 8317752, 9704044, 10397190, 12130055, 13862920, 14556066, 19408088, 20794380, 24260110, 29112132, 36390165, 41588760, 48520220, 58224264, 72780330, 97040440, 145560660, 291121320]

約数ペア:

[(1, 291121320), (2, 145560660), (3, 97040440), (4, 72780330), (5, 58224264), (6, 48520220), (7, 41588760), (8, 36390165), (10, 29112132), (12, 24260110), (14, 20794380), (15, 19408088), (20, 14556066), (21, 13862920), (24, 12130055), (28, 10397190), (30, 9704044), (35, 8317752), (40, 7278033), (41, 7100520), (42, 6931460), (56, 5198595), (60, 4852022), (70, 4158876), (79, 3685080), (82, 3550260), (84, 3465730), (105, 2772584), (107, 2720760), (120, 2426011), (123, 2366840), (140, 2079438), (158, 1842540), (164, 1775130), (168, 1732865), (205, 1420104), (210, 1386292), (214, 1360380), (237, 1228360), (246, 1183420), (280, 1039719), (287, 1014360), (316, 921270), (321, 906920), (328, 887565), (395, 737016), (410, 710052), (420, 693146), (428, 680190), (474, 614180), (492, 591710), (535, 544152), (553, 526440), (574, 507180), (615, 473368), (632, 460635), (642, 453460), (749, 388680), (790, 368508), (820, 355026), (840, 346573), (856, 340095), (861, 338120), (948, 307090), (984, 295855), (1070, 272076), (1106, 263220), (1148, 253590), (1185, 245672), (1230, 236684), (1284, 226730), (1435, 202872), (1498, 194340), (1580, 184254), (1605, 181384), (1640, 177513), (1659, 175480), (1722, 169060), (1896, 153545), (2140, 136038), (2212, 131610), (2247, 129560), (2296, 126795), (2370, 122836), (2460, 118342), (2568, 113365), (2765, 105288), (2870, 101436), (2996, 97170), (3160, 92127), (3210, 90692), (3239, 89880), (3318, 87740), (3444, 84530), (3745, 77736), (4280, 68019), (4305, 67624), (4387, 66360), (4424, 65805), (4494, 64780), (4740, 61418), (4920, 59171), (5530, 52644), (5740, 50718), (5992, 48585), (6420, 45346), (6478, 44940), (6636, 43870), (6888, 42265), (7490, 38868), (8295, 35096), (8453, 34440), (8610, 33812), (8774, 33180), (8988, 32390), (9480, 30709), (9717, 29960), (11060, 26322), (11235, 25912), (11480, 25359), (12840, 22673), (12956, 22470), (13161, 22120), (13272, 21935), (14980, 19434), (16195, 17976), (16590, 17548), (16906, 17220)]