72281520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{100391}}^1$

素因数の和:100410

約数の個数: 60

約数和(自身を含む): 242747856

約数和(自身を除く): 170466336

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, 100391, 200782, 301173, 401564, 501955, 602346, 803128, 903519, 1003910, 1204692, 1505865, 1606256, 1807038, 2007820, 2409384, 3011730, 3614076, 4015640, 4517595, 4818768, 6023460, 7228152, 8031280, 9035190, 12046920, 14456304, 18070380, 24093840, 36140760, 72281520]

約数ペア:

[(1, 72281520), (2, 36140760), (3, 24093840), (4, 18070380), (5, 14456304), (6, 12046920), (8, 9035190), (9, 8031280), (10, 7228152), (12, 6023460), (15, 4818768), (16, 4517595), (18, 4015640), (20, 3614076), (24, 3011730), (30, 2409384), (36, 2007820), (40, 1807038), (45, 1606256), (48, 1505865), (60, 1204692), (72, 1003910), (80, 903519), (90, 803128), (120, 602346), (144, 501955), (180, 401564), (240, 301173), (360, 200782), (720, 100391)]