72908100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{9001}}^1$

素因数の和:9027

約数の個数: 90

約数和(自身を含む): 236365514

約数和(自身を除く): 163457414

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 9001, 18002, 27003, 36004, 45005, 54006, 81009, 90010, 108012, 135015, 162018, 180020, 225025, 243027, 270030, 324036, 405045, 450050, 486054, 540060, 675075, 729081, 810090, 900100, 972108, 1215135, 1350150, 1458162, 1620180, 2025225, 2430270, 2700300, 2916324, 3645405, 4050450, 4860540, 6075675, 7290810, 8100900, 12151350, 14581620, 18227025, 24302700, 36454050, 72908100]

約数ペア:

[(1, 72908100), (2, 36454050), (3, 24302700), (4, 18227025), (5, 14581620), (6, 12151350), (9, 8100900), (10, 7290810), (12, 6075675), (15, 4860540), (18, 4050450), (20, 3645405), (25, 2916324), (27, 2700300), (30, 2430270), (36, 2025225), (45, 1620180), (50, 1458162), (54, 1350150), (60, 1215135), (75, 972108), (81, 900100), (90, 810090), (100, 729081), (108, 675075), (135, 540060), (150, 486054), (162, 450050), (180, 405045), (225, 324036), (270, 270030), (300, 243027), (324, 225025), (405, 180020), (450, 162018), (540, 135015), (675, 108012), (810, 90010), (900, 81009), (1350, 54006), (1620, 45005), (2025, 36004), (2700, 27003), (4050, 18002), (8100, 9001)]