164851920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{228961}}^1$

素因数の和:228980

約数の個数: 60

約数和(自身を含む): 553630116

約数和(自身を除く): 388778196

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 228961, 457922, 686883, 915844, 1144805, 1373766, 1831688, 2060649, 2289610, 2747532, 3434415, 3663376, 4121298, 4579220, 5495064, 6868830, 8242596, 9158440, 10303245, 10990128, 13737660, 16485192, 18316880, 20606490, 27475320, 32970384, 41212980, 54950640, 82425960, 164851920]

約数ペア:

[(1, 164851920), (2, 82425960), (3, 54950640), (4, 41212980), (5, 32970384), (6, 27475320), (8, 20606490), (9, 18316880), (10, 16485192), (12, 13737660), (15, 10990128), (16, 10303245), (18, 9158440), (20, 8242596), (24, 6868830), (30, 5495064), (36, 4579220), (40, 4121298), (45, 3663376), (48, 3434415), (60, 2747532), (72, 2289610), (80, 2060649), (90, 1831688), (120, 1373766), (144, 1144805), (180, 915844), (240, 686883), (360, 457922), (720, 228961)]