79786720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:548

約数の個数: 96

約数和(自身を含む): 205752960

約数和(自身を除く): 125966240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 89, 104, 130, 160, 178, 208, 260, 356, 416, 431, 445, 520, 712, 862, 890, 1040, 1157, 1424, 1724, 1780, 2080, 2155, 2314, 2848, 3448, 3560, 4310, 4628, 5603, 5785, 6896, 7120, 8620, 9256, 11206, 11570, 13792, 14240, 17240, 18512, 22412, 23140, 28015, 34480, 37024, 38359, 44824, 46280, 56030, 68960, 76718, 89648, 92560, 112060, 153436, 179296, 185120, 191795, 224120, 306872, 383590, 448240, 498667, 613744, 767180, 896480, 997334, 1227488, 1534360, 1994668, 2493335, 3068720, 3989336, 4986670, 6137440, 7978672, 9973340, 15957344, 19946680, 39893360, 79786720]

約数ペア:

[(1, 79786720), (2, 39893360), (4, 19946680), (5, 15957344), (8, 9973340), (10, 7978672), (13, 6137440), (16, 4986670), (20, 3989336), (26, 3068720), (32, 2493335), (40, 1994668), (52, 1534360), (65, 1227488), (80, 997334), (89, 896480), (104, 767180), (130, 613744), (160, 498667), (178, 448240), (208, 383590), (260, 306872), (356, 224120), (416, 191795), (431, 185120), (445, 179296), (520, 153436), (712, 112060), (862, 92560), (890, 89648), (1040, 76718), (1157, 68960), (1424, 56030), (1724, 46280), (1780, 44824), (2080, 38359), (2155, 37024), (2314, 34480), (2848, 28015), (3448, 23140), (3560, 22412), (4310, 18512), (4628, 17240), (5603, 14240), (5785, 13792), (6896, 11570), (7120, 11206), (8620, 9256)]