71854720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:442

約数の個数: 128

約数和(自身を含む): 201421440

約数和(自身を除く): 129566720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 280, 301, 320, 344, 373, 430, 448, 560, 602, 640, 688, 746, 860, 896, 1120, 1204, 1376, 1492, 1505, 1720, 1865, 2240, 2408, 2611, 2752, 2984, 3010, 3440, 3730, 4480, 4816, 5222, 5504, 5968, 6020, 6880, 7460, 9632, 10444, 11936, 12040, 13055, 13760, 14920, 16039, 19264, 20888, 23872, 24080, 26110, 27520, 29840, 32078, 38528, 41776, 47744, 48160, 52220, 59680, 64156, 80195, 83552, 96320, 104440, 112273, 119360, 128312, 160390, 167104, 192640, 208880, 224546, 238720, 256624, 320780, 334208, 417760, 449092, 513248, 561365, 641560, 835520, 898184, 1026496, 1122730, 1283120, 1671040, 1796368, 2052992, 2245460, 2566240, 3592736, 4490920, 5132480, 7185472, 8981840, 10264960, 14370944, 17963680, 35927360, 71854720]

約数ペア:

[(1, 71854720), (2, 35927360), (4, 17963680), (5, 14370944), (7, 10264960), (8, 8981840), (10, 7185472), (14, 5132480), (16, 4490920), (20, 3592736), (28, 2566240), (32, 2245460), (35, 2052992), (40, 1796368), (43, 1671040), (56, 1283120), (64, 1122730), (70, 1026496), (80, 898184), (86, 835520), (112, 641560), (128, 561365), (140, 513248), (160, 449092), (172, 417760), (215, 334208), (224, 320780), (280, 256624), (301, 238720), (320, 224546), (344, 208880), (373, 192640), (430, 167104), (448, 160390), (560, 128312), (602, 119360), (640, 112273), (688, 104440), (746, 96320), (860, 83552), (896, 80195), (1120, 64156), (1204, 59680), (1376, 52220), (1492, 48160), (1505, 47744), (1720, 41776), (1865, 38528), (2240, 32078), (2408, 29840), (2611, 27520), (2752, 26110), (2984, 24080), (3010, 23872), (3440, 20888), (3730, 19264), (4480, 16039), (4816, 14920), (5222, 13760), (5504, 13055), (5968, 12040), (6020, 11936), (6880, 10444), (7460, 9632)]