2961920

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:125

約数の個数: 80

約数和(自身を含む): 7733880

約数和(自身を除く): 4771960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 89, 104, 128, 130, 160, 178, 208, 256, 260, 320, 356, 416, 445, 512, 520, 640, 712, 832, 890, 1040, 1157, 1280, 1424, 1664, 1780, 2080, 2314, 2560, 2848, 3328, 3560, 4160, 4628, 5696, 5785, 6656, 7120, 8320, 9256, 11392, 11570, 14240, 16640, 18512, 22784, 23140, 28480, 33280, 37024, 45568, 46280, 56960, 74048, 92560, 113920, 148096, 185120, 227840, 296192, 370240, 592384, 740480, 1480960, 2961920]

約数ペア:

[(1, 2961920), (2, 1480960), (4, 740480), (5, 592384), (8, 370240), (10, 296192), (13, 227840), (16, 185120), (20, 148096), (26, 113920), (32, 92560), (40, 74048), (52, 56960), (64, 46280), (65, 45568), (80, 37024), (89, 33280), (104, 28480), (128, 23140), (130, 22784), (160, 18512), (178, 16640), (208, 14240), (256, 11570), (260, 11392), (320, 9256), (356, 8320), (416, 7120), (445, 6656), (512, 5785), (520, 5696), (640, 4628), (712, 4160), (832, 3560), (890, 3328), (1040, 2848), (1157, 2560), (1280, 2314), (1424, 2080), (1664, 1780)]