64181250

素因数分解:

$2^1\times 3^2\times 5^5\times 7^1\times {\mathrm{163}}^1$

素因数の和:203

約数の個数: 144

約数和(自身を含む): 199862208

約数和(自身を除く): 135680958

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 125, 126, 150, 163, 175, 210, 225, 250, 315, 326, 350, 375, 450, 489, 525, 625, 630, 750, 815, 875, 978, 1050, 1125, 1141, 1250, 1467, 1575, 1630, 1750, 1875, 2250, 2282, 2445, 2625, 2934, 3125, 3150, 3423, 3750, 4075, 4375, 4890, 5250, 5625, 5705, 6250, 6846, 7335, 7875, 8150, 8750, 9375, 10269, 11250, 11410, 12225, 13125, 14670, 15750, 17115, 18750, 20375, 20538, 21875, 24450, 26250, 28125, 28525, 34230, 36675, 39375, 40750, 43750, 51345, 56250, 57050, 61125, 65625, 73350, 78750, 85575, 101875, 102690, 122250, 131250, 142625, 171150, 183375, 196875, 203750, 256725, 285250, 305625, 366750, 393750, 427875, 509375, 513450, 611250, 713125, 855750, 916875, 1018750, 1283625, 1426250, 1528125, 1833750, 2139375, 2567250, 3056250, 3565625, 4278750, 4584375, 6418125, 7131250, 9168750, 10696875, 12836250, 21393750, 32090625, 64181250]

約数ペア:

[(1, 64181250), (2, 32090625), (3, 21393750), (5, 12836250), (6, 10696875), (7, 9168750), (9, 7131250), (10, 6418125), (14, 4584375), (15, 4278750), (18, 3565625), (21, 3056250), (25, 2567250), (30, 2139375), (35, 1833750), (42, 1528125), (45, 1426250), (50, 1283625), (63, 1018750), (70, 916875), (75, 855750), (90, 713125), (105, 611250), (125, 513450), (126, 509375), (150, 427875), (163, 393750), (175, 366750), (210, 305625), (225, 285250), (250, 256725), (315, 203750), (326, 196875), (350, 183375), (375, 171150), (450, 142625), (489, 131250), (525, 122250), (625, 102690), (630, 101875), (750, 85575), (815, 78750), (875, 73350), (978, 65625), (1050, 61125), (1125, 57050), (1141, 56250), (1250, 51345), (1467, 43750), (1575, 40750), (1630, 39375), (1750, 36675), (1875, 34230), (2250, 28525), (2282, 28125), (2445, 26250), (2625, 24450), (2934, 21875), (3125, 20538), (3150, 20375), (3423, 18750), (3750, 17115), (4075, 15750), (4375, 14670), (4890, 13125), (5250, 12225), (5625, 11410), (5705, 11250), (6250, 10269), (6846, 9375), (7335, 8750), (7875, 8150)]