721525248

素因数分解:

$2^9\times 3^2\times {\mathrm{31}}^1\times {\mathrm{5051}}^1$

素因数の和:5106

約数の個数: 120

約数和(自身を含む): 2149969536

約数和(自身を除く): 1428444288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 512, 558, 576, 744, 768, 992, 1116, 1152, 1488, 1536, 1984, 2232, 2304, 2976, 3968, 4464, 4608, 5051, 5952, 7936, 8928, 10102, 11904, 15153, 15872, 17856, 20204, 23808, 30306, 35712, 40408, 45459, 47616, 60612, 71424, 80816, 90918, 121224, 142848, 156581, 161632, 181836, 242448, 313162, 323264, 363672, 469743, 484896, 626324, 646528, 727344, 939486, 969792, 1252648, 1293056, 1409229, 1454688, 1878972, 1939584, 2505296, 2586112, 2818458, 2909376, 3757944, 3879168, 5010592, 5636916, 5818752, 7515888, 7758336, 10021184, 11273832, 11637504, 15031776, 20042368, 22547664, 23275008, 30063552, 40084736, 45095328, 60127104, 80169472, 90190656, 120254208, 180381312, 240508416, 360762624, 721525248]

約数ペア:

[(1, 721525248), (2, 360762624), (3, 240508416), (4, 180381312), (6, 120254208), (8, 90190656), (9, 80169472), (12, 60127104), (16, 45095328), (18, 40084736), (24, 30063552), (31, 23275008), (32, 22547664), (36, 20042368), (48, 15031776), (62, 11637504), (64, 11273832), (72, 10021184), (93, 7758336), (96, 7515888), (124, 5818752), (128, 5636916), (144, 5010592), (186, 3879168), (192, 3757944), (248, 2909376), (256, 2818458), (279, 2586112), (288, 2505296), (372, 1939584), (384, 1878972), (496, 1454688), (512, 1409229), (558, 1293056), (576, 1252648), (744, 969792), (768, 939486), (992, 727344), (1116, 646528), (1152, 626324), (1488, 484896), (1536, 469743), (1984, 363672), (2232, 323264), (2304, 313162), (2976, 242448), (3968, 181836), (4464, 161632), (4608, 156581), (5051, 142848), (5952, 121224), (7936, 90918), (8928, 80816), (10102, 71424), (11904, 60612), (15153, 47616), (15872, 45459), (17856, 40408), (20204, 35712), (23808, 30306)]