308304880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12889}}^1$

素因数の和:12938

約数の個数: 80

約数和(自身を含む): 805573440

約数和(自身を除く): 497268560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 11960, 12889, 23920, 25778, 51556, 64445, 103112, 128890, 167557, 206224, 257780, 296447, 335114, 515560, 592894, 670228, 837785, 1031120, 1185788, 1340456, 1482235, 1675570, 2371576, 2680912, 2964470, 3351140, 3853811, 4743152, 5928940, 6702280, 7707622, 11857880, 13404560, 15415244, 19269055, 23715760, 30830488, 38538110, 61660976, 77076220, 154152440, 308304880]

約数ペア:

[(1, 308304880), (2, 154152440), (4, 77076220), (5, 61660976), (8, 38538110), (10, 30830488), (13, 23715760), (16, 19269055), (20, 15415244), (23, 13404560), (26, 11857880), (40, 7707622), (46, 6702280), (52, 5928940), (65, 4743152), (80, 3853811), (92, 3351140), (104, 2964470), (115, 2680912), (130, 2371576), (184, 1675570), (208, 1482235), (230, 1340456), (260, 1185788), (299, 1031120), (368, 837785), (460, 670228), (520, 592894), (598, 515560), (920, 335114), (1040, 296447), (1196, 257780), (1495, 206224), (1840, 167557), (2392, 128890), (2990, 103112), (4784, 64445), (5980, 51556), (11960, 25778), (12889, 23920)]