84590820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6619}}^1$

素因数の和:6705

約数の個数: 72

約数和(自身を含む): 260245440

約数和(自身を除く): 175654620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 6619, 12780, 13238, 19857, 26476, 33095, 39714, 59571, 66190, 79428, 99285, 119142, 132380, 198570, 238284, 297855, 397140, 469949, 595710, 939898, 1191420, 1409847, 1879796, 2349745, 2819694, 4229541, 4699490, 5639388, 7049235, 8459082, 9398980, 14098470, 16918164, 21147705, 28196940, 42295410, 84590820]

約数ペア:

[(1, 84590820), (2, 42295410), (3, 28196940), (4, 21147705), (5, 16918164), (6, 14098470), (9, 9398980), (10, 8459082), (12, 7049235), (15, 5639388), (18, 4699490), (20, 4229541), (30, 2819694), (36, 2349745), (45, 1879796), (60, 1409847), (71, 1191420), (90, 939898), (142, 595710), (180, 469949), (213, 397140), (284, 297855), (355, 238284), (426, 198570), (639, 132380), (710, 119142), (852, 99285), (1065, 79428), (1278, 66190), (1420, 59571), (2130, 39714), (2556, 33095), (3195, 26476), (4260, 19857), (6390, 13238), (6619, 12780)]