78413520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19219}}^1$

素因数の和:19252

約数の個数: 80

約数和(自身を含む): 257394240

約数和(自身を除く): 178980720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 19219, 38438, 57657, 76876, 96095, 115314, 153752, 192190, 230628, 288285, 307504, 326723, 384380, 461256, 576570, 653446, 768760, 922512, 980169, 1153140, 1306892, 1537520, 1633615, 1960338, 2306280, 2613784, 3267230, 3920676, 4612560, 4900845, 5227568, 6534460, 7841352, 9801690, 13068920, 15682704, 19603380, 26137840, 39206760, 78413520]

約数ペア:

[(1, 78413520), (2, 39206760), (3, 26137840), (4, 19603380), (5, 15682704), (6, 13068920), (8, 9801690), (10, 7841352), (12, 6534460), (15, 5227568), (16, 4900845), (17, 4612560), (20, 3920676), (24, 3267230), (30, 2613784), (34, 2306280), (40, 1960338), (48, 1633615), (51, 1537520), (60, 1306892), (68, 1153140), (80, 980169), (85, 922512), (102, 768760), (120, 653446), (136, 576570), (170, 461256), (204, 384380), (240, 326723), (255, 307504), (272, 288285), (340, 230628), (408, 192190), (510, 153752), (680, 115314), (816, 96095), (1020, 76876), (1360, 57657), (2040, 38438), (4080, 19219)]