15242940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4457}}^1$

素因数の和:4491

約数の個数: 72

約数和(自身を含む): 48681360

約数和(自身を除く): 33438420

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, 4457, 8914, 13371, 17828, 22285, 26742, 40113, 44570, 53484, 66855, 80226, 84683, 89140, 133710, 160452, 169366, 200565, 254049, 267420, 338732, 401130, 423415, 508098, 762147, 802260, 846830, 1016196, 1270245, 1524294, 1693660, 2540490, 3048588, 3810735, 5080980, 7621470, 15242940]

約数ペア:

[(1, 15242940), (2, 7621470), (3, 5080980), (4, 3810735), (5, 3048588), (6, 2540490), (9, 1693660), (10, 1524294), (12, 1270245), (15, 1016196), (18, 846830), (19, 802260), (20, 762147), (30, 508098), (36, 423415), (38, 401130), (45, 338732), (57, 267420), (60, 254049), (76, 200565), (90, 169366), (95, 160452), (114, 133710), (171, 89140), (180, 84683), (190, 80226), (228, 66855), (285, 53484), (342, 44570), (380, 40113), (570, 26742), (684, 22285), (855, 17828), (1140, 13371), (1710, 8914), (3420, 4457)]