15661879664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{19961}}^1$

素因数の和:20106

約数の個数: 80

約数和(自身を含む): 33416388000

約数和(自身を除く): 17754508336

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 89, 116, 152, 178, 232, 304, 356, 464, 551, 712, 1102, 1424, 1691, 2204, 2581, 3382, 4408, 5162, 6764, 8816, 10324, 13528, 19961, 20648, 27056, 39922, 41296, 49039, 79844, 98078, 159688, 196156, 319376, 379259, 392312, 578869, 758518, 784624, 1157738, 1517036, 1776529, 2315476, 3034072, 3553058, 4630952, 6068144, 7106116, 9261904, 10998511, 14212232, 21997022, 28424464, 33754051, 43994044, 51519341, 67508102, 87988088, 103038682, 135016204, 175976176, 206077364, 270032408, 412154728, 540064816, 824309456, 978867479, 1957734958, 3915469916, 7830939832, 15661879664]

約数ペア:

[(1, 15661879664), (2, 7830939832), (4, 3915469916), (8, 1957734958), (16, 978867479), (19, 824309456), (29, 540064816), (38, 412154728), (58, 270032408), (76, 206077364), (89, 175976176), (116, 135016204), (152, 103038682), (178, 87988088), (232, 67508102), (304, 51519341), (356, 43994044), (464, 33754051), (551, 28424464), (712, 21997022), (1102, 14212232), (1424, 10998511), (1691, 9261904), (2204, 7106116), (2581, 6068144), (3382, 4630952), (4408, 3553058), (5162, 3034072), (6764, 2315476), (8816, 1776529), (10324, 1517036), (13528, 1157738), (19961, 784624), (20648, 758518), (27056, 578869), (39922, 392312), (41296, 379259), (49039, 319376), (79844, 196156), (98078, 159688)]