1649002590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{321443}}^1$

素因数の和:321478

約数の個数: 64

約数和(自身を含む): 4628793600

約数和(自身を除く): 2979791010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 5130, 321443, 642886, 964329, 1607215, 1928658, 2892987, 3214430, 4821645, 5785974, 6107417, 8678961, 9643290, 12214834, 14464935, 17357922, 18322251, 28929870, 30537085, 36644502, 43394805, 54966753, 61074170, 86789610, 91611255, 109933506, 164900259, 183222510, 274833765, 329800518, 549667530, 824501295, 1649002590]

約数ペア:

[(1, 1649002590), (2, 824501295), (3, 549667530), (5, 329800518), (6, 274833765), (9, 183222510), (10, 164900259), (15, 109933506), (18, 91611255), (19, 86789610), (27, 61074170), (30, 54966753), (38, 43394805), (45, 36644502), (54, 30537085), (57, 28929870), (90, 18322251), (95, 17357922), (114, 14464935), (135, 12214834), (171, 9643290), (190, 8678961), (270, 6107417), (285, 5785974), (342, 4821645), (513, 3214430), (570, 2892987), (855, 1928658), (1026, 1607215), (1710, 964329), (2565, 642886), (5130, 321443)]