251643420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:409

約数の個数: 216

約数和(自身を含む): 899799264

約数和(自身を除く): 648155844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 103, 105, 126, 140, 147, 180, 196, 206, 210, 245, 252, 277, 294, 309, 315, 412, 420, 441, 490, 515, 554, 588, 618, 630, 721, 735, 831, 882, 927, 980, 1030, 1108, 1236, 1260, 1385, 1442, 1470, 1545, 1662, 1764, 1854, 1939, 2060, 2163, 2205, 2493, 2770, 2884, 2940, 3090, 3324, 3605, 3708, 3878, 4155, 4326, 4410, 4635, 4986, 5047, 5540, 5817, 6180, 6489, 7210, 7756, 8310, 8652, 8820, 9270, 9695, 9972, 10094, 10815, 11634, 12465, 12978, 13573, 14420, 15141, 16620, 17451, 18540, 19390, 20188, 21630, 23268, 24930, 25235, 25956, 27146, 28531, 29085, 30282, 32445, 34902, 38780, 40719, 43260, 45423, 49860, 50470, 54292, 57062, 58170, 60564, 64890, 67865, 69804, 75705, 81438, 85593, 87255, 90846, 100940, 114124, 116340, 122157, 129780, 135730, 142655, 151410, 162876, 171186, 174510, 181692, 199717, 203595, 227115, 244314, 256779, 271460, 285310, 302820, 342372, 349020, 399434, 407190, 427965, 454230, 488628, 513558, 570620, 599151, 610785, 798868, 814380, 855930, 908460, 998585, 1027116, 1198302, 1221570, 1283895, 1398019, 1711860, 1797453, 1997170, 2396604, 2443140, 2567790, 2796038, 2995755, 3594906, 3994340, 4194057, 5135580, 5592076, 5991510, 6990095, 7189812, 8388114, 8987265, 11983020, 12582171, 13980190, 16776228, 17974530, 20970285, 25164342, 27960380, 35949060, 41940570, 50328684, 62910855, 83881140, 125821710, 251643420]

約数ペア:

[(1, 251643420), (2, 125821710), (3, 83881140), (4, 62910855), (5, 50328684), (6, 41940570), (7, 35949060), (9, 27960380), (10, 25164342), (12, 20970285), (14, 17974530), (15, 16776228), (18, 13980190), (20, 12582171), (21, 11983020), (28, 8987265), (30, 8388114), (35, 7189812), (36, 6990095), (42, 5991510), (45, 5592076), (49, 5135580), (60, 4194057), (63, 3994340), (70, 3594906), (84, 2995755), (90, 2796038), (98, 2567790), (103, 2443140), (105, 2396604), (126, 1997170), (140, 1797453), (147, 1711860), (180, 1398019), (196, 1283895), (206, 1221570), (210, 1198302), (245, 1027116), (252, 998585), (277, 908460), (294, 855930), (309, 814380), (315, 798868), (412, 610785), (420, 599151), (441, 570620), (490, 513558), (515, 488628), (554, 454230), (588, 427965), (618, 407190), (630, 399434), (721, 349020), (735, 342372), (831, 302820), (882, 285310), (927, 271460), (980, 256779), (1030, 244314), (1108, 227115), (1236, 203595), (1260, 199717), (1385, 181692), (1442, 174510), (1470, 171186), (1545, 162876), (1662, 151410), (1764, 142655), (1854, 135730), (1939, 129780), (2060, 122157), (2163, 116340), (2205, 114124), (2493, 100940), (2770, 90846), (2884, 87255), (2940, 85593), (3090, 81438), (3324, 75705), (3605, 69804), (3708, 67865), (3878, 64890), (4155, 60564), (4326, 58170), (4410, 57062), (4635, 54292), (4986, 50470), (5047, 49860), (5540, 45423), (5817, 43260), (6180, 40719), (6489, 38780), (7210, 34902), (7756, 32445), (8310, 30282), (8652, 29085), (8820, 28531), (9270, 27146), (9695, 25956), (9972, 25235), (10094, 24930), (10815, 23268), (11634, 21630), (12465, 20188), (12978, 19390), (13573, 18540), (14420, 17451), (15141, 16620)]