315015000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{21001}}^1$

素因数の和:21030

約数の個数: 80

約数和(自身を含む): 984153720

約数和(自身を除く): 669138720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 2500, 3000, 3750, 5000, 7500, 15000, 21001, 42002, 63003, 84004, 105005, 126006, 168008, 210010, 252012, 315015, 420020, 504024, 525025, 630030, 840040, 1050050, 1260060, 1575075, 2100100, 2520120, 2625125, 3150150, 4200200, 5250250, 6300300, 7875375, 10500500, 12600600, 13125625, 15750750, 21001000, 26251250, 31501500, 39376875, 52502500, 63003000, 78753750, 105005000, 157507500, 315015000]

約数ペア:

[(1, 315015000), (2, 157507500), (3, 105005000), (4, 78753750), (5, 63003000), (6, 52502500), (8, 39376875), (10, 31501500), (12, 26251250), (15, 21001000), (20, 15750750), (24, 13125625), (25, 12600600), (30, 10500500), (40, 7875375), (50, 6300300), (60, 5250250), (75, 4200200), (100, 3150150), (120, 2625125), (125, 2520120), (150, 2100100), (200, 1575075), (250, 1260060), (300, 1050050), (375, 840040), (500, 630030), (600, 525025), (625, 504024), (750, 420020), (1000, 315015), (1250, 252012), (1500, 210010), (1875, 168008), (2500, 126006), (3000, 105005), (3750, 84004), (5000, 63003), (7500, 42002), (15000, 21001)]