220510920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{262513}}^1$

素因数の和:262534

約数の個数: 64

約数和(自身を含む): 756040320

約数和(自身を除く): 535529400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 262513, 525026, 787539, 1050052, 1312565, 1575078, 1837591, 2100104, 2625130, 3150156, 3675182, 3937695, 5250260, 5512773, 6300312, 7350364, 7875390, 9187955, 10500520, 11025546, 14700728, 15750780, 18375910, 22051092, 27563865, 31501560, 36751820, 44102184, 55127730, 73503640, 110255460, 220510920]

約数ペア:

[(1, 220510920), (2, 110255460), (3, 73503640), (4, 55127730), (5, 44102184), (6, 36751820), (7, 31501560), (8, 27563865), (10, 22051092), (12, 18375910), (14, 15750780), (15, 14700728), (20, 11025546), (21, 10500520), (24, 9187955), (28, 7875390), (30, 7350364), (35, 6300312), (40, 5512773), (42, 5250260), (56, 3937695), (60, 3675182), (70, 3150156), (84, 2625130), (105, 2100104), (120, 1837591), (140, 1575078), (168, 1312565), (210, 1050052), (280, 787539), (420, 525026), (840, 262513)]