740480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:121

約数の個数: 64

約数和(自身を含む): 1927800

約数和(自身を除く): 1187320

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, 260, 320, 356, 416, 445, 520, 640, 712, 832, 890, 1040, 1157, 1424, 1664, 1780, 2080, 2314, 2848, 3560, 4160, 4628, 5696, 5785, 7120, 8320, 9256, 11392, 11570, 14240, 18512, 23140, 28480, 37024, 46280, 56960, 74048, 92560, 148096, 185120, 370240, 740480]

約数ペア:

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