72078480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{100109}}^1$

素因数の和:100128

約数の個数: 60

約数和(自身を含む): 242065980

約数和(自身を除く): 169987500

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, 100109, 200218, 300327, 400436, 500545, 600654, 800872, 900981, 1001090, 1201308, 1501635, 1601744, 1801962, 2002180, 2402616, 3003270, 3603924, 4004360, 4504905, 4805232, 6006540, 7207848, 8008720, 9009810, 12013080, 14415696, 18019620, 24026160, 36039240, 72078480]

約数ペア:

[(1, 72078480), (2, 36039240), (3, 24026160), (4, 18019620), (5, 14415696), (6, 12013080), (8, 9009810), (9, 8008720), (10, 7207848), (12, 6006540), (15, 4805232), (16, 4504905), (18, 4004360), (20, 3603924), (24, 3003270), (30, 2402616), (36, 2002180), (40, 1801962), (45, 1601744), (48, 1501635), (60, 1201308), (72, 1001090), (80, 900981), (90, 800872), (120, 600654), (144, 500545), (180, 400436), (240, 300327), (360, 200218), (720, 100109)]