61460820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17971}}^1$

素因数の和:18005

約数の個数: 72

約数和(自身を含む): 196254240

約数和(自身を除く): 134793420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 17971, 35942, 53913, 71884, 89855, 107826, 161739, 179710, 215652, 269565, 323478, 341449, 359420, 539130, 646956, 682898, 808695, 1024347, 1078260, 1365796, 1617390, 1707245, 2048694, 3073041, 3234780, 3414490, 4097388, 5121735, 6146082, 6828980, 10243470, 12292164, 15365205, 20486940, 30730410, 61460820]

約数ペア:

[(1, 61460820), (2, 30730410), (3, 20486940), (4, 15365205), (5, 12292164), (6, 10243470), (9, 6828980), (10, 6146082), (12, 5121735), (15, 4097388), (18, 3414490), (19, 3234780), (20, 3073041), (30, 2048694), (36, 1707245), (38, 1617390), (45, 1365796), (57, 1078260), (60, 1024347), (76, 808695), (90, 682898), (95, 646956), (114, 539130), (171, 359420), (180, 341449), (190, 323478), (228, 269565), (285, 215652), (342, 179710), (380, 161739), (570, 107826), (684, 89855), (855, 71884), (1140, 53913), (1710, 35942), (3420, 17971)]