28703880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1211

約数の個数: 96

約数和(自身を含む): 94685760

約数和(自身を除く): 65981880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1123, 1278, 1420, 1704, 2130, 2246, 2556, 2840, 3195, 3369, 4260, 4492, 5112, 5615, 6390, 6738, 8520, 8984, 10107, 11230, 12780, 13476, 16845, 20214, 22460, 25560, 26952, 33690, 40428, 44920, 50535, 67380, 79733, 80856, 101070, 134760, 159466, 202140, 239199, 318932, 398665, 404280, 478398, 637864, 717597, 797330, 956796, 1195995, 1435194, 1594660, 1913592, 2391990, 2870388, 3189320, 3587985, 4783980, 5740776, 7175970, 9567960, 14351940, 28703880]

約数ペア:

[(1, 28703880), (2, 14351940), (3, 9567960), (4, 7175970), (5, 5740776), (6, 4783980), (8, 3587985), (9, 3189320), (10, 2870388), (12, 2391990), (15, 1913592), (18, 1594660), (20, 1435194), (24, 1195995), (30, 956796), (36, 797330), (40, 717597), (45, 637864), (60, 478398), (71, 404280), (72, 398665), (90, 318932), (120, 239199), (142, 202140), (180, 159466), (213, 134760), (284, 101070), (355, 80856), (360, 79733), (426, 67380), (568, 50535), (639, 44920), (710, 40428), (852, 33690), (1065, 26952), (1123, 25560), (1278, 22460), (1420, 20214), (1704, 16845), (2130, 13476), (2246, 12780), (2556, 11230), (2840, 10107), (3195, 8984), (3369, 8520), (4260, 6738), (4492, 6390), (5112, 5615)]