319146880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:552

約数の個数: 128

約数和(自身を含む): 832809600

約数和(自身を除く): 513662720

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, 431, 445, 520, 640, 712, 832, 862, 890, 1040, 1157, 1424, 1664, 1724, 1780, 2080, 2155, 2314, 2848, 3448, 3560, 4160, 4310, 4628, 5603, 5696, 5785, 6896, 7120, 8320, 8620, 9256, 11206, 11392, 11570, 13792, 14240, 17240, 18512, 22412, 23140, 27584, 28015, 28480, 34480, 37024, 38359, 44824, 46280, 55168, 56030, 56960, 68960, 74048, 76718, 89648, 92560, 112060, 137920, 148096, 153436, 179296, 185120, 191795, 224120, 275840, 306872, 358592, 370240, 383590, 448240, 498667, 613744, 717184, 740480, 767180, 896480, 997334, 1227488, 1534360, 1792960, 1994668, 2454976, 2493335, 3068720, 3585920, 3989336, 4909952, 4986670, 6137440, 7978672, 9973340, 12274880, 15957344, 19946680, 24549760, 31914688, 39893360, 63829376, 79786720, 159573440, 319146880]

約数ペア:

[(1, 319146880), (2, 159573440), (4, 79786720), (5, 63829376), (8, 39893360), (10, 31914688), (13, 24549760), (16, 19946680), (20, 15957344), (26, 12274880), (32, 9973340), (40, 7978672), (52, 6137440), (64, 4986670), (65, 4909952), (80, 3989336), (89, 3585920), (104, 3068720), (128, 2493335), (130, 2454976), (160, 1994668), (178, 1792960), (208, 1534360), (260, 1227488), (320, 997334), (356, 896480), (416, 767180), (431, 740480), (445, 717184), (520, 613744), (640, 498667), (712, 448240), (832, 383590), (862, 370240), (890, 358592), (1040, 306872), (1157, 275840), (1424, 224120), (1664, 191795), (1724, 185120), (1780, 179296), (2080, 153436), (2155, 148096), (2314, 137920), (2848, 112060), (3448, 92560), (3560, 89648), (4160, 76718), (4310, 74048), (4628, 68960), (5603, 56960), (5696, 56030), (5785, 55168), (6896, 46280), (7120, 44824), (8320, 38359), (8620, 37024), (9256, 34480), (11206, 28480), (11392, 28015), (11570, 27584), (13792, 23140), (14240, 22412), (17240, 18512)]