51903180

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:250

約数の個数: 240

約数和(自身を含む): 195148800

約数和(自身を除く): 143245620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 81, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 162, 180, 189, 199, 207, 210, 230, 252, 270, 276, 315, 322, 324, 345, 378, 398, 405, 414, 420, 460, 483, 540, 567, 597, 621, 630, 644, 690, 756, 796, 805, 810, 828, 945, 966, 995, 1035, 1134, 1194, 1242, 1260, 1380, 1393, 1449, 1610, 1620, 1791, 1863, 1890, 1932, 1990, 2070, 2268, 2388, 2415, 2484, 2786, 2835, 2898, 2985, 3105, 3220, 3582, 3726, 3780, 3980, 4140, 4179, 4347, 4577, 4830, 5373, 5572, 5670, 5796, 5970, 6210, 6965, 7164, 7245, 7452, 8358, 8694, 8955, 9154, 9315, 9660, 10746, 11340, 11940, 12420, 12537, 13041, 13731, 13930, 14490, 16119, 16716, 17388, 17910, 18308, 18630, 20895, 21492, 21735, 22885, 25074, 26082, 26865, 27462, 27860, 28980, 32039, 32238, 35820, 37260, 37611, 41193, 41790, 43470, 45770, 50148, 52164, 53730, 54924, 62685, 64078, 64476, 65205, 68655, 75222, 80595, 82386, 83580, 86940, 91540, 96117, 107460, 112833, 123579, 125370, 128156, 130410, 137310, 150444, 160195, 161190, 164772, 188055, 192234, 205965, 225666, 247158, 250740, 260820, 274620, 288351, 320390, 322380, 370737, 376110, 384468, 411930, 451332, 480585, 494316, 564165, 576702, 617895, 640780, 741474, 752220, 823860, 865053, 961170, 1128330, 1153404, 1235790, 1441755, 1482948, 1730106, 1853685, 1922340, 2256660, 2471580, 2595159, 2883510, 3460212, 3707370, 4325265, 5190318, 5767020, 7414740, 8650530, 10380636, 12975795, 17301060, 25951590, 51903180]

約数ペア:

[(1, 51903180), (2, 25951590), (3, 17301060), (4, 12975795), (5, 10380636), (6, 8650530), (7, 7414740), (9, 5767020), (10, 5190318), (12, 4325265), (14, 3707370), (15, 3460212), (18, 2883510), (20, 2595159), (21, 2471580), (23, 2256660), (27, 1922340), (28, 1853685), (30, 1730106), (35, 1482948), (36, 1441755), (42, 1235790), (45, 1153404), (46, 1128330), (54, 961170), (60, 865053), (63, 823860), (69, 752220), (70, 741474), (81, 640780), (84, 617895), (90, 576702), (92, 564165), (105, 494316), (108, 480585), (115, 451332), (126, 411930), (135, 384468), (138, 376110), (140, 370737), (161, 322380), (162, 320390), (180, 288351), (189, 274620), (199, 260820), (207, 250740), (210, 247158), (230, 225666), (252, 205965), (270, 192234), (276, 188055), (315, 164772), (322, 161190), (324, 160195), (345, 150444), (378, 137310), (398, 130410), (405, 128156), (414, 125370), (420, 123579), (460, 112833), (483, 107460), (540, 96117), (567, 91540), (597, 86940), (621, 83580), (630, 82386), (644, 80595), (690, 75222), (756, 68655), (796, 65205), (805, 64476), (810, 64078), (828, 62685), (945, 54924), (966, 53730), (995, 52164), (1035, 50148), (1134, 45770), (1194, 43470), (1242, 41790), (1260, 41193), (1380, 37611), (1393, 37260), (1449, 35820), (1610, 32238), (1620, 32039), (1791, 28980), (1863, 27860), (1890, 27462), (1932, 26865), (1990, 26082), (2070, 25074), (2268, 22885), (2388, 21735), (2415, 21492), (2484, 20895), (2786, 18630), (2835, 18308), (2898, 17910), (2985, 17388), (3105, 16716), (3220, 16119), (3582, 14490), (3726, 13930), (3780, 13731), (3980, 13041), (4140, 12537), (4179, 12420), (4347, 11940), (4577, 11340), (4830, 10746), (5373, 9660), (5572, 9315), (5670, 9154), (5796, 8955), (5970, 8694), (6210, 8358), (6965, 7452), (7164, 7245)]