2220238720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{495589}}^1$

素因数の和:495615

約数の個数: 64

約数和(自身を含む): 6066021600

約数和(自身を除く): 3845782880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 495589, 991178, 1982356, 2477945, 3469123, 3964712, 4955890, 6938246, 7929424, 9911780, 13876492, 15858848, 17345615, 19823560, 27752984, 31717696, 34691230, 39647120, 55505968, 63435392, 69382460, 79294240, 111011936, 138764920, 158588480, 222023872, 277529840, 317176960, 444047744, 555059680, 1110119360, 2220238720]

約数ペア:

[(1, 2220238720), (2, 1110119360), (4, 555059680), (5, 444047744), (7, 317176960), (8, 277529840), (10, 222023872), (14, 158588480), (16, 138764920), (20, 111011936), (28, 79294240), (32, 69382460), (35, 63435392), (40, 55505968), (56, 39647120), (64, 34691230), (70, 31717696), (80, 27752984), (112, 19823560), (128, 17345615), (140, 15858848), (160, 13876492), (224, 9911780), (280, 7929424), (320, 6938246), (448, 4955890), (560, 3964712), (640, 3469123), (896, 2477945), (1120, 1982356), (2240, 991178), (4480, 495589)]