30680820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8971}}^1$

素因数の和:9005

約数の個数: 72

約数和(自身を含む): 97974240

約数和(自身を除く): 67293420

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, 8971, 17942, 26913, 35884, 44855, 53826, 80739, 89710, 107652, 134565, 161478, 170449, 179420, 269130, 322956, 340898, 403695, 511347, 538260, 681796, 807390, 852245, 1022694, 1534041, 1614780, 1704490, 2045388, 2556735, 3068082, 3408980, 5113470, 6136164, 7670205, 10226940, 15340410, 30680820]

約数ペア:

[(1, 30680820), (2, 15340410), (3, 10226940), (4, 7670205), (5, 6136164), (6, 5113470), (9, 3408980), (10, 3068082), (12, 2556735), (15, 2045388), (18, 1704490), (19, 1614780), (20, 1534041), (30, 1022694), (36, 852245), (38, 807390), (45, 681796), (57, 538260), (60, 511347), (76, 403695), (90, 340898), (95, 322956), (114, 269130), (171, 179420), (180, 170449), (190, 161478), (228, 134565), (285, 107652), (342, 89710), (380, 80739), (570, 53826), (684, 44855), (855, 35884), (1140, 26913), (1710, 17942), (3420, 8971)]