81265500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{18059}}^1$

素因数の和:18084

約数の個数: 72

約数和(自身を含む): 256379760

約数和(自身を除く): 175114260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 18059, 36118, 54177, 72236, 90295, 108354, 162531, 180590, 216708, 270885, 325062, 361180, 451475, 541770, 650124, 812655, 902950, 1083540, 1354425, 1625310, 1805900, 2257375, 2708850, 3250620, 4063275, 4514750, 5417700, 6772125, 8126550, 9029500, 13544250, 16253100, 20316375, 27088500, 40632750, 81265500]

約数ペア:

[(1, 81265500), (2, 40632750), (3, 27088500), (4, 20316375), (5, 16253100), (6, 13544250), (9, 9029500), (10, 8126550), (12, 6772125), (15, 5417700), (18, 4514750), (20, 4063275), (25, 3250620), (30, 2708850), (36, 2257375), (45, 1805900), (50, 1625310), (60, 1354425), (75, 1083540), (90, 902950), (100, 812655), (125, 650124), (150, 541770), (180, 451475), (225, 361180), (250, 325062), (300, 270885), (375, 216708), (450, 180590), (500, 162531), (750, 108354), (900, 90295), (1125, 72236), (1500, 54177), (2250, 36118), (4500, 18059)]