636561640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:264

約数の個数: 192

約数和(自身を含む): 1732106880

約数和(自身を除く): 1095545240

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 67, 88, 104, 110, 121, 130, 134, 143, 151, 220, 242, 260, 268, 286, 302, 335, 440, 484, 520, 536, 572, 604, 605, 670, 715, 737, 755, 871, 968, 1144, 1208, 1210, 1340, 1430, 1474, 1510, 1573, 1661, 1742, 1963, 2420, 2680, 2860, 2948, 3020, 3146, 3322, 3484, 3685, 3926, 4355, 4840, 5720, 5896, 6040, 6292, 6644, 6968, 7370, 7852, 7865, 8107, 8305, 8710, 9581, 9815, 10117, 12584, 13288, 14740, 15704, 15730, 16214, 16610, 17420, 18271, 19162, 19630, 20234, 21593, 29480, 31460, 32428, 33220, 34840, 36542, 38324, 39260, 40468, 40535, 43186, 47905, 50585, 62920, 64856, 66440, 73084, 76648, 78520, 80936, 81070, 86372, 91355, 95810, 101170, 105391, 107965, 111287, 131521, 146168, 162140, 172744, 182710, 191620, 202340, 210782, 215930, 222574, 237523, 263042, 324280, 365420, 383240, 404680, 421564, 431860, 445148, 475046, 526084, 526955, 556435, 657605, 730840, 843128, 863720, 890296, 950092, 1052168, 1053910, 1112870, 1187615, 1224157, 1315210, 1446731, 1900184, 2107820, 2225740, 2375230, 2448314, 2630420, 2893462, 4215640, 4451480, 4750460, 4896628, 5260840, 5786924, 6120785, 7233655, 9500920, 9793256, 11573848, 12241570, 14467310, 15914041, 24483140, 28934620, 31828082, 48966280, 57869240, 63656164, 79570205, 127312328, 159140410, 318280820, 636561640]

約数ペア:

[(1, 636561640), (2, 318280820), (4, 159140410), (5, 127312328), (8, 79570205), (10, 63656164), (11, 57869240), (13, 48966280), (20, 31828082), (22, 28934620), (26, 24483140), (40, 15914041), (44, 14467310), (52, 12241570), (55, 11573848), (65, 9793256), (67, 9500920), (88, 7233655), (104, 6120785), (110, 5786924), (121, 5260840), (130, 4896628), (134, 4750460), (143, 4451480), (151, 4215640), (220, 2893462), (242, 2630420), (260, 2448314), (268, 2375230), (286, 2225740), (302, 2107820), (335, 1900184), (440, 1446731), (484, 1315210), (520, 1224157), (536, 1187615), (572, 1112870), (604, 1053910), (605, 1052168), (670, 950092), (715, 890296), (737, 863720), (755, 843128), (871, 730840), (968, 657605), (1144, 556435), (1208, 526955), (1210, 526084), (1340, 475046), (1430, 445148), (1474, 431860), (1510, 421564), (1573, 404680), (1661, 383240), (1742, 365420), (1963, 324280), (2420, 263042), (2680, 237523), (2860, 222574), (2948, 215930), (3020, 210782), (3146, 202340), (3322, 191620), (3484, 182710), (3685, 172744), (3926, 162140), (4355, 146168), (4840, 131521), (5720, 111287), (5896, 107965), (6040, 105391), (6292, 101170), (6644, 95810), (6968, 91355), (7370, 86372), (7852, 81070), (7865, 80936), (8107, 78520), (8305, 76648), (8710, 73084), (9581, 66440), (9815, 64856), (10117, 62920), (12584, 50585), (13288, 47905), (14740, 43186), (15704, 40535), (15730, 40468), (16214, 39260), (16610, 38324), (17420, 36542), (18271, 34840), (19162, 33220), (19630, 32428), (20234, 31460), (21593, 29480)]