291655440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:302

約数の個数: 240

約数和(自身を含む): 1030648320

約数和(自身を除く): 738992880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 73, 80, 90, 93, 120, 124, 144, 146, 155, 179, 180, 186, 219, 240, 248, 279, 292, 310, 358, 360, 365, 372, 438, 465, 496, 537, 558, 584, 620, 657, 716, 720, 730, 744, 876, 895, 930, 1074, 1095, 1116, 1168, 1240, 1314, 1395, 1432, 1460, 1488, 1611, 1752, 1790, 1860, 2148, 2190, 2232, 2263, 2480, 2628, 2685, 2790, 2864, 2920, 3222, 3285, 3504, 3580, 3720, 4296, 4380, 4464, 4526, 5256, 5370, 5549, 5580, 5840, 6444, 6570, 6789, 7160, 7440, 8055, 8592, 8760, 9052, 10512, 10740, 11098, 11160, 11315, 12888, 13067, 13140, 13578, 14320, 16110, 16647, 17520, 18104, 20367, 21480, 22196, 22320, 22630, 25776, 26134, 26280, 27156, 27745, 32220, 33294, 33945, 36208, 39201, 40734, 42960, 44392, 45260, 49941, 52268, 52560, 54312, 55490, 64440, 65335, 66588, 67890, 78402, 81468, 83235, 88784, 90520, 99882, 101835, 104536, 108624, 110980, 117603, 128880, 130670, 133176, 135780, 156804, 162936, 166470, 181040, 196005, 199764, 203670, 209072, 221960, 235206, 249705, 261340, 266352, 271560, 313608, 325872, 332940, 392010, 399528, 405077, 407340, 443920, 470412, 499410, 522680, 543120, 588015, 627216, 665880, 784020, 799056, 810154, 814680, 940824, 998820, 1045360, 1176030, 1215231, 1331760, 1568040, 1620308, 1629360, 1881648, 1997640, 2025385, 2352060, 2430462, 3136080, 3240616, 3645693, 3995280, 4050770, 4704120, 4860924, 6076155, 6481232, 7291386, 8101540, 9408240, 9721848, 12152310, 14582772, 16203080, 18228465, 19443696, 24304620, 29165544, 32406160, 36456930, 48609240, 58331088, 72913860, 97218480, 145827720, 291655440]

約数ペア:

[(1, 291655440), (2, 145827720), (3, 97218480), (4, 72913860), (5, 58331088), (6, 48609240), (8, 36456930), (9, 32406160), (10, 29165544), (12, 24304620), (15, 19443696), (16, 18228465), (18, 16203080), (20, 14582772), (24, 12152310), (30, 9721848), (31, 9408240), (36, 8101540), (40, 7291386), (45, 6481232), (48, 6076155), (60, 4860924), (62, 4704120), (72, 4050770), (73, 3995280), (80, 3645693), (90, 3240616), (93, 3136080), (120, 2430462), (124, 2352060), (144, 2025385), (146, 1997640), (155, 1881648), (179, 1629360), (180, 1620308), (186, 1568040), (219, 1331760), (240, 1215231), (248, 1176030), (279, 1045360), (292, 998820), (310, 940824), (358, 814680), (360, 810154), (365, 799056), (372, 784020), (438, 665880), (465, 627216), (496, 588015), (537, 543120), (558, 522680), (584, 499410), (620, 470412), (657, 443920), (716, 407340), (720, 405077), (730, 399528), (744, 392010), (876, 332940), (895, 325872), (930, 313608), (1074, 271560), (1095, 266352), (1116, 261340), (1168, 249705), (1240, 235206), (1314, 221960), (1395, 209072), (1432, 203670), (1460, 199764), (1488, 196005), (1611, 181040), (1752, 166470), (1790, 162936), (1860, 156804), (2148, 135780), (2190, 133176), (2232, 130670), (2263, 128880), (2480, 117603), (2628, 110980), (2685, 108624), (2790, 104536), (2864, 101835), (2920, 99882), (3222, 90520), (3285, 88784), (3504, 83235), (3580, 81468), (3720, 78402), (4296, 67890), (4380, 66588), (4464, 65335), (4526, 64440), (5256, 55490), (5370, 54312), (5549, 52560), (5580, 52268), (5840, 49941), (6444, 45260), (6570, 44392), (6789, 42960), (7160, 40734), (7440, 39201), (8055, 36208), (8592, 33945), (8760, 33294), (9052, 32220), (10512, 27745), (10740, 27156), (11098, 26280), (11160, 26134), (11315, 25776), (12888, 22630), (13067, 22320), (13140, 22196), (13578, 21480), (14320, 20367), (16110, 18104), (16647, 17520)]