2021655720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{49117}}^1$

素因数の和:49152

約数の個数: 128

約数和(自身を含む): 7072992000

約数和(自身を除く): 5051336280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5145, 5880, 6860, 8232, 10290, 13720, 20580, 41160, 49117, 98234, 147351, 196468, 245585, 294702, 343819, 392936, 491170, 589404, 687638, 736755, 982340, 1031457, 1178808, 1375276, 1473510, 1719095, 1964680, 2062914, 2406733, 2750552, 2947020, 3438190, 4125828, 4813466, 5157285, 5894040, 6876380, 7220199, 8251656, 9626932, 10314570, 12033665, 13752760, 14440398, 16847131, 19253864, 20629140, 24067330, 28880796, 33694262, 36100995, 41258280, 48134660, 50541393, 57761592, 67388524, 72201990, 84235655, 96269320, 101082786, 134777048, 144403980, 168471310, 202165572, 252706965, 288807960, 336942620, 404331144, 505413930, 673885240, 1010827860, 2021655720]

約数ペア:

[(1, 2021655720), (2, 1010827860), (3, 673885240), (4, 505413930), (5, 404331144), (6, 336942620), (7, 288807960), (8, 252706965), (10, 202165572), (12, 168471310), (14, 144403980), (15, 134777048), (20, 101082786), (21, 96269320), (24, 84235655), (28, 72201990), (30, 67388524), (35, 57761592), (40, 50541393), (42, 48134660), (49, 41258280), (56, 36100995), (60, 33694262), (70, 28880796), (84, 24067330), (98, 20629140), (105, 19253864), (120, 16847131), (140, 14440398), (147, 13752760), (168, 12033665), (196, 10314570), (210, 9626932), (245, 8251656), (280, 7220199), (294, 6876380), (343, 5894040), (392, 5157285), (420, 4813466), (490, 4125828), (588, 3438190), (686, 2947020), (735, 2750552), (840, 2406733), (980, 2062914), (1029, 1964680), (1176, 1719095), (1372, 1473510), (1470, 1375276), (1715, 1178808), (1960, 1031457), (2058, 982340), (2744, 736755), (2940, 687638), (3430, 589404), (4116, 491170), (5145, 392936), (5880, 343819), (6860, 294702), (8232, 245585), (10290, 196468), (13720, 147351), (20580, 98234), (41160, 49117)]