15520340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 38707200

約数和(自身を除く): 23186860

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 47, 55, 76, 79, 94, 95, 110, 158, 188, 190, 209, 220, 235, 316, 380, 395, 418, 470, 517, 790, 836, 869, 893, 940, 1034, 1045, 1501, 1580, 1738, 1786, 2068, 2090, 2585, 3002, 3476, 3572, 3713, 4180, 4345, 4465, 5170, 6004, 7426, 7505, 8690, 8930, 9823, 10340, 14852, 15010, 16511, 17380, 17860, 18565, 19646, 30020, 33022, 37130, 39292, 40843, 49115, 66044, 70547, 74260, 81686, 82555, 98230, 141094, 163372, 165110, 196460, 204215, 282188, 330220, 352735, 408430, 705470, 776017, 816860, 1410940, 1552034, 3104068, 3880085, 7760170, 15520340]

約数ペア:

[(1, 15520340), (2, 7760170), (4, 3880085), (5, 3104068), (10, 1552034), (11, 1410940), (19, 816860), (20, 776017), (22, 705470), (38, 408430), (44, 352735), (47, 330220), (55, 282188), (76, 204215), (79, 196460), (94, 165110), (95, 163372), (110, 141094), (158, 98230), (188, 82555), (190, 81686), (209, 74260), (220, 70547), (235, 66044), (316, 49115), (380, 40843), (395, 39292), (418, 37130), (470, 33022), (517, 30020), (790, 19646), (836, 18565), (869, 17860), (893, 17380), (940, 16511), (1034, 15010), (1045, 14852), (1501, 10340), (1580, 9823), (1738, 8930), (1786, 8690), (2068, 7505), (2090, 7426), (2585, 6004), (3002, 5170), (3476, 4465), (3572, 4345), (3713, 4180)]