491594280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1283}}^1$

素因数の和:1431

約数の個数: 128

約数和(自身を含む): 1538334720

約数和(自身を除く): 1046740440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 103, 120, 124, 155, 186, 206, 248, 309, 310, 372, 412, 465, 515, 618, 620, 744, 824, 930, 1030, 1236, 1240, 1283, 1545, 1860, 2060, 2472, 2566, 3090, 3193, 3720, 3849, 4120, 5132, 6180, 6386, 6415, 7698, 9579, 10264, 12360, 12772, 12830, 15396, 15965, 19158, 19245, 25544, 25660, 30792, 31930, 38316, 38490, 39773, 47895, 51320, 63860, 76632, 76980, 79546, 95790, 119319, 127720, 132149, 153960, 159092, 191580, 198865, 238638, 264298, 318184, 383160, 396447, 397730, 477276, 528596, 596595, 660745, 792894, 795460, 954552, 1057192, 1193190, 1321490, 1585788, 1590920, 1982235, 2386380, 2642980, 3171576, 3964470, 4096619, 4772760, 5285960, 7928940, 8193238, 12289857, 15857880, 16386476, 20483095, 24579714, 32772952, 40966190, 49159428, 61449285, 81932380, 98318856, 122898570, 163864760, 245797140, 491594280]

約数ペア:

[(1, 491594280), (2, 245797140), (3, 163864760), (4, 122898570), (5, 98318856), (6, 81932380), (8, 61449285), (10, 49159428), (12, 40966190), (15, 32772952), (20, 24579714), (24, 20483095), (30, 16386476), (31, 15857880), (40, 12289857), (60, 8193238), (62, 7928940), (93, 5285960), (103, 4772760), (120, 4096619), (124, 3964470), (155, 3171576), (186, 2642980), (206, 2386380), (248, 1982235), (309, 1590920), (310, 1585788), (372, 1321490), (412, 1193190), (465, 1057192), (515, 954552), (618, 795460), (620, 792894), (744, 660745), (824, 596595), (930, 528596), (1030, 477276), (1236, 397730), (1240, 396447), (1283, 383160), (1545, 318184), (1860, 264298), (2060, 238638), (2472, 198865), (2566, 191580), (3090, 159092), (3193, 153960), (3720, 132149), (3849, 127720), (4120, 119319), (5132, 95790), (6180, 79546), (6386, 76980), (6415, 76632), (7698, 63860), (9579, 51320), (10264, 47895), (12360, 39773), (12772, 38490), (12830, 38316), (15396, 31930), (15965, 30792), (19158, 25660), (19245, 25544)]