220406280

素因数分解:

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

素因数の和:555

約数の個数: 128

約数和(自身を含む): 688435200

約数和(自身を除く): 468028920

約数列:

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

約数ペア:

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