84123900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{4451}}^1$

素因数の和:4481

約数の個数: 144

約数和(自身を含む): 309146880

約数和(自身を除く): 225022980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 2100, 2700, 3150, 3780, 4451, 4725, 6300, 8902, 9450, 13353, 17804, 18900, 22255, 26706, 31157, 40059, 44510, 53412, 62314, 66765, 80118, 89020, 93471, 111275, 120177, 124628, 133530, 155785, 160236, 186942, 200295, 222550, 240354, 267060, 280413, 311570, 333825, 373884, 400590, 445100, 467355, 480708, 560826, 600885, 623140, 667650, 778925, 801180, 841239, 934710, 1001475, 1121652, 1201770, 1335300, 1402065, 1557850, 1682478, 1869420, 2002950, 2336775, 2403540, 2804130, 3004425, 3115700, 3364956, 4005900, 4206195, 4673550, 5608260, 6008850, 7010325, 8412390, 9347100, 12017700, 14020650, 16824780, 21030975, 28041300, 42061950, 84123900]

約数ペア:

[(1, 84123900), (2, 42061950), (3, 28041300), (4, 21030975), (5, 16824780), (6, 14020650), (7, 12017700), (9, 9347100), (10, 8412390), (12, 7010325), (14, 6008850), (15, 5608260), (18, 4673550), (20, 4206195), (21, 4005900), (25, 3364956), (27, 3115700), (28, 3004425), (30, 2804130), (35, 2403540), (36, 2336775), (42, 2002950), (45, 1869420), (50, 1682478), (54, 1557850), (60, 1402065), (63, 1335300), (70, 1201770), (75, 1121652), (84, 1001475), (90, 934710), (100, 841239), (105, 801180), (108, 778925), (126, 667650), (135, 623140), (140, 600885), (150, 560826), (175, 480708), (180, 467355), (189, 445100), (210, 400590), (225, 373884), (252, 333825), (270, 311570), (300, 280413), (315, 267060), (350, 240354), (378, 222550), (420, 200295), (450, 186942), (525, 160236), (540, 155785), (630, 133530), (675, 124628), (700, 120177), (756, 111275), (900, 93471), (945, 89020), (1050, 80118), (1260, 66765), (1350, 62314), (1575, 53412), (1890, 44510), (2100, 40059), (2700, 31157), (3150, 26706), (3780, 22255), (4451, 18900), (4725, 17804), (6300, 13353), (8902, 9450)]