2647980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 8229312

約数和(自身を除く): 5581332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 313, 423, 470, 564, 626, 705, 846, 939, 940, 1252, 1410, 1565, 1692, 1878, 2115, 2817, 2820, 3130, 3756, 4230, 4695, 5634, 6260, 8460, 9390, 11268, 14085, 14711, 18780, 28170, 29422, 44133, 56340, 58844, 73555, 88266, 132399, 147110, 176532, 220665, 264798, 294220, 441330, 529596, 661995, 882660, 1323990, 2647980]

約数ペア:

[(1, 2647980), (2, 1323990), (3, 882660), (4, 661995), (5, 529596), (6, 441330), (9, 294220), (10, 264798), (12, 220665), (15, 176532), (18, 147110), (20, 132399), (30, 88266), (36, 73555), (45, 58844), (47, 56340), (60, 44133), (90, 29422), (94, 28170), (141, 18780), (180, 14711), (188, 14085), (235, 11268), (282, 9390), (313, 8460), (423, 6260), (470, 5634), (564, 4695), (626, 4230), (705, 3756), (846, 3130), (939, 2820), (940, 2817), (1252, 2115), (1410, 1878), (1565, 1692)]