61689390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15461}}^1$

素因数の和:15497

約数の個数: 64

約数和(自身を含む): 178122240

約数和(自身を除く): 116432850

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 15461, 30922, 46383, 77305, 92766, 108227, 154610, 216454, 231915, 293759, 324681, 463830, 541135, 587518, 649362, 881277, 1082270, 1468795, 1623405, 1762554, 2056313, 2937590, 3246810, 4112626, 4406385, 6168939, 8812770, 10281565, 12337878, 20563130, 30844695, 61689390]

約数ペア:

[(1, 61689390), (2, 30844695), (3, 20563130), (5, 12337878), (6, 10281565), (7, 8812770), (10, 6168939), (14, 4406385), (15, 4112626), (19, 3246810), (21, 2937590), (30, 2056313), (35, 1762554), (38, 1623405), (42, 1468795), (57, 1082270), (70, 881277), (95, 649362), (105, 587518), (114, 541135), (133, 463830), (190, 324681), (210, 293759), (266, 231915), (285, 216454), (399, 154610), (570, 108227), (665, 92766), (798, 77305), (1330, 46383), (1995, 30922), (3990, 15461)]