65029760

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 169646400

約数和(自身を除く): 104616640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 128, 136, 139, 160, 170, 172, 215, 272, 278, 320, 340, 344, 430, 544, 556, 640, 680, 688, 695, 731, 860, 1088, 1112, 1360, 1376, 1390, 1462, 1720, 2176, 2224, 2363, 2720, 2752, 2780, 2924, 3440, 3655, 4448, 4726, 5440, 5504, 5560, 5848, 5977, 6880, 7310, 8896, 9452, 10880, 11120, 11696, 11815, 11954, 13760, 14620, 17792, 18904, 22240, 23392, 23630, 23908, 27520, 29240, 29885, 37808, 44480, 46784, 47260, 47816, 58480, 59770, 75616, 88960, 93568, 94520, 95632, 101609, 116960, 119540, 151232, 189040, 191264, 203218, 233920, 239080, 302464, 378080, 382528, 406436, 467840, 478160, 508045, 756160, 765056, 812872, 956320, 1016090, 1512320, 1625744, 1912640, 2032180, 3251488, 3825280, 4064360, 6502976, 8128720, 13005952, 16257440, 32514880, 65029760]

約数ペア:

[(1, 65029760), (2, 32514880), (4, 16257440), (5, 13005952), (8, 8128720), (10, 6502976), (16, 4064360), (17, 3825280), (20, 3251488), (32, 2032180), (34, 1912640), (40, 1625744), (43, 1512320), (64, 1016090), (68, 956320), (80, 812872), (85, 765056), (86, 756160), (128, 508045), (136, 478160), (139, 467840), (160, 406436), (170, 382528), (172, 378080), (215, 302464), (272, 239080), (278, 233920), (320, 203218), (340, 191264), (344, 189040), (430, 151232), (544, 119540), (556, 116960), (640, 101609), (680, 95632), (688, 94520), (695, 93568), (731, 88960), (860, 75616), (1088, 59770), (1112, 58480), (1360, 47816), (1376, 47260), (1390, 46784), (1462, 44480), (1720, 37808), (2176, 29885), (2224, 29240), (2363, 27520), (2720, 23908), (2752, 23630), (2780, 23392), (2924, 22240), (3440, 18904), (3655, 17792), (4448, 14620), (4726, 13760), (5440, 11954), (5504, 11815), (5560, 11696), (5848, 11120), (5977, 10880), (6880, 9452), (7310, 8896)]