63871380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20873}}^1$

素因数の和:20905

約数の個数: 72

約数和(自身を含む): 205149672

約数和(自身を除く): 141278292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 20873, 41746, 62619, 83492, 104365, 125238, 187857, 208730, 250476, 313095, 354841, 375714, 417460, 626190, 709682, 751428, 939285, 1064523, 1252380, 1419364, 1774205, 1878570, 2129046, 3193569, 3548410, 3757140, 4258092, 5322615, 6387138, 7096820, 10645230, 12774276, 15967845, 21290460, 31935690, 63871380]

約数ペア:

[(1, 63871380), (2, 31935690), (3, 21290460), (4, 15967845), (5, 12774276), (6, 10645230), (9, 7096820), (10, 6387138), (12, 5322615), (15, 4258092), (17, 3757140), (18, 3548410), (20, 3193569), (30, 2129046), (34, 1878570), (36, 1774205), (45, 1419364), (51, 1252380), (60, 1064523), (68, 939285), (85, 751428), (90, 709682), (102, 626190), (153, 417460), (170, 375714), (180, 354841), (204, 313095), (255, 250476), (306, 208730), (340, 187857), (510, 125238), (612, 104365), (765, 83492), (1020, 62619), (1530, 41746), (3060, 20873)]