128959740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7873}}^1$

素因数の和:7908

約数の個数: 144

約数和(自身を含む): 481510848

約数和(自身を除く): 352551108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 7873, 8190, 15746, 16380, 23619, 31492, 39365, 47238, 55111, 70857, 78730, 94476, 102349, 110222, 118095, 141714, 157460, 165333, 204698, 220444, 236190, 275555, 283428, 307047, 330666, 354285, 409396, 472380, 495999, 511745, 551110, 614094, 661332, 708570, 716443, 826665, 921141, 991998, 1023490, 1102220, 1228188, 1417140, 1432886, 1535235, 1653330, 1842282, 1983996, 2046980, 2149329, 2479995, 2865772, 3070470, 3306660, 3582215, 3684564, 4298658, 4605705, 4959990, 6140940, 6447987, 7164430, 8597316, 9211410, 9919980, 10746645, 12895974, 14328860, 18422820, 21493290, 25791948, 32239935, 42986580, 64479870, 128959740]

約数ペア:

[(1, 128959740), (2, 64479870), (3, 42986580), (4, 32239935), (5, 25791948), (6, 21493290), (7, 18422820), (9, 14328860), (10, 12895974), (12, 10746645), (13, 9919980), (14, 9211410), (15, 8597316), (18, 7164430), (20, 6447987), (21, 6140940), (26, 4959990), (28, 4605705), (30, 4298658), (35, 3684564), (36, 3582215), (39, 3306660), (42, 3070470), (45, 2865772), (52, 2479995), (60, 2149329), (63, 2046980), (65, 1983996), (70, 1842282), (78, 1653330), (84, 1535235), (90, 1432886), (91, 1417140), (105, 1228188), (117, 1102220), (126, 1023490), (130, 991998), (140, 921141), (156, 826665), (180, 716443), (182, 708570), (195, 661332), (210, 614094), (234, 551110), (252, 511745), (260, 495999), (273, 472380), (315, 409396), (364, 354285), (390, 330666), (420, 307047), (455, 283428), (468, 275555), (546, 236190), (585, 220444), (630, 204698), (780, 165333), (819, 157460), (910, 141714), (1092, 118095), (1170, 110222), (1260, 102349), (1365, 94476), (1638, 78730), (1820, 70857), (2340, 55111), (2730, 47238), (3276, 39365), (4095, 31492), (5460, 23619), (7873, 16380), (8190, 15746)]