440812560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:557

約数の個数: 160

約数和(自身を含む): 1422766080

約数和(自身を除く): 981953520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 179, 186, 240, 248, 310, 331, 358, 372, 465, 496, 537, 620, 662, 716, 744, 895, 930, 993, 1074, 1240, 1324, 1432, 1488, 1655, 1790, 1860, 1986, 2148, 2480, 2648, 2685, 2864, 3310, 3580, 3720, 3972, 4296, 4965, 5296, 5370, 5549, 6620, 7160, 7440, 7944, 8592, 9930, 10261, 10740, 11098, 13240, 14320, 15888, 16647, 19860, 20522, 21480, 22196, 26480, 27745, 30783, 33294, 39720, 41044, 42960, 44392, 51305, 55490, 59249, 61566, 66588, 79440, 82088, 83235, 88784, 102610, 110980, 118498, 123132, 133176, 153915, 164176, 166470, 177747, 205220, 221960, 236996, 246264, 266352, 296245, 307830, 332940, 355494, 410440, 443920, 473992, 492528, 592490, 615660, 665880, 710988, 820880, 888735, 947984, 1184980, 1231320, 1331760, 1421976, 1777470, 1836719, 2369960, 2462640, 2843952, 3554940, 3673438, 4739920, 5510157, 7109880, 7346876, 9183595, 11020314, 14219760, 14693752, 18367190, 22040628, 27550785, 29387504, 36734380, 44081256, 55101570, 73468760, 88162512, 110203140, 146937520, 220406280, 440812560]

約数ペア:

[(1, 440812560), (2, 220406280), (3, 146937520), (4, 110203140), (5, 88162512), (6, 73468760), (8, 55101570), (10, 44081256), (12, 36734380), (15, 29387504), (16, 27550785), (20, 22040628), (24, 18367190), (30, 14693752), (31, 14219760), (40, 11020314), (48, 9183595), (60, 7346876), (62, 7109880), (80, 5510157), (93, 4739920), (120, 3673438), (124, 3554940), (155, 2843952), (179, 2462640), (186, 2369960), (240, 1836719), (248, 1777470), (310, 1421976), (331, 1331760), (358, 1231320), (372, 1184980), (465, 947984), (496, 888735), (537, 820880), (620, 710988), (662, 665880), (716, 615660), (744, 592490), (895, 492528), (930, 473992), (993, 443920), (1074, 410440), (1240, 355494), (1324, 332940), (1432, 307830), (1488, 296245), (1655, 266352), (1790, 246264), (1860, 236996), (1986, 221960), (2148, 205220), (2480, 177747), (2648, 166470), (2685, 164176), (2864, 153915), (3310, 133176), (3580, 123132), (3720, 118498), (3972, 110980), (4296, 102610), (4965, 88784), (5296, 83235), (5370, 82088), (5549, 79440), (6620, 66588), (7160, 61566), (7440, 59249), (7944, 55490), (8592, 51305), (9930, 44392), (10261, 42960), (10740, 41044), (11098, 39720), (13240, 33294), (14320, 30783), (15888, 27745), (16647, 26480), (19860, 22196), (20522, 21480)]