1581273120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{67231}}^1$

素因数の和:67263

約数の個数: 144

約数和(自身を含む): 5794322688

約数和(自身を除く): 4213049568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 23520, 67231, 134462, 201693, 268924, 336155, 403386, 470617, 537848, 672310, 806772, 941234, 1008465, 1075696, 1344620, 1411851, 1613544, 1882468, 2016930, 2151392, 2353085, 2689240, 2823702, 3227088, 3294319, 3764936, 4033860, 4706170, 5378480, 5647404, 6454176, 6588638, 7059255, 7529872, 8067720, 9412340, 9882957, 10756960, 11294808, 13177276, 14118510, 15059744, 16135440, 16471595, 18824680, 19765914, 22589616, 26354552, 28237020, 32270880, 32943190, 37649360, 39531828, 45179232, 49414785, 52709104, 56474040, 65886380, 75298720, 79063656, 98829570, 105418208, 112948080, 131772760, 158127312, 197659140, 225896160, 263545520, 316254624, 395318280, 527091040, 790636560, 1581273120]

約数ペア:

[(1, 1581273120), (2, 790636560), (3, 527091040), (4, 395318280), (5, 316254624), (6, 263545520), (7, 225896160), (8, 197659140), (10, 158127312), (12, 131772760), (14, 112948080), (15, 105418208), (16, 98829570), (20, 79063656), (21, 75298720), (24, 65886380), (28, 56474040), (30, 52709104), (32, 49414785), (35, 45179232), (40, 39531828), (42, 37649360), (48, 32943190), (49, 32270880), (56, 28237020), (60, 26354552), (70, 22589616), (80, 19765914), (84, 18824680), (96, 16471595), (98, 16135440), (105, 15059744), (112, 14118510), (120, 13177276), (140, 11294808), (147, 10756960), (160, 9882957), (168, 9412340), (196, 8067720), (210, 7529872), (224, 7059255), (240, 6588638), (245, 6454176), (280, 5647404), (294, 5378480), (336, 4706170), (392, 4033860), (420, 3764936), (480, 3294319), (490, 3227088), (560, 2823702), (588, 2689240), (672, 2353085), (735, 2151392), (784, 2016930), (840, 1882468), (980, 1613544), (1120, 1411851), (1176, 1344620), (1470, 1075696), (1568, 1008465), (1680, 941234), (1960, 806772), (2352, 672310), (2940, 537848), (3360, 470617), (3920, 403386), (4704, 336155), (5880, 268924), (7840, 201693), (11760, 134462), (23520, 67231)]