72400440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{1759}}^1$

素因数の和:1794

約数の個数: 128

約数和(自身を含む): 253440000

約数和(自身を除く): 181039560

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, 1759, 1960, 2058, 2744, 2940, 3430, 3518, 4116, 5145, 5277, 5880, 6860, 7036, 8232, 8795, 10290, 10554, 12313, 13720, 14072, 17590, 20580, 21108, 24626, 26385, 35180, 36939, 41160, 42216, 49252, 52770, 61565, 70360, 73878, 86191, 98504, 105540, 123130, 147756, 172382, 184695, 211080, 246260, 258573, 295512, 344764, 369390, 430955, 492520, 517146, 603337, 689528, 738780, 861910, 1034292, 1206674, 1292865, 1477560, 1723820, 1810011, 2068584, 2413348, 2585730, 3016685, 3447640, 3620022, 4826696, 5171460, 6033370, 7240044, 9050055, 10342920, 12066740, 14480088, 18100110, 24133480, 36200220, 72400440]

約数ペア:

[(1, 72400440), (2, 36200220), (3, 24133480), (4, 18100110), (5, 14480088), (6, 12066740), (7, 10342920), (8, 9050055), (10, 7240044), (12, 6033370), (14, 5171460), (15, 4826696), (20, 3620022), (21, 3447640), (24, 3016685), (28, 2585730), (30, 2413348), (35, 2068584), (40, 1810011), (42, 1723820), (49, 1477560), (56, 1292865), (60, 1206674), (70, 1034292), (84, 861910), (98, 738780), (105, 689528), (120, 603337), (140, 517146), (147, 492520), (168, 430955), (196, 369390), (210, 344764), (245, 295512), (280, 258573), (294, 246260), (343, 211080), (392, 184695), (420, 172382), (490, 147756), (588, 123130), (686, 105540), (735, 98504), (840, 86191), (980, 73878), (1029, 70360), (1176, 61565), (1372, 52770), (1470, 49252), (1715, 42216), (1759, 41160), (1960, 36939), (2058, 35180), (2744, 26385), (2940, 24626), (3430, 21108), (3518, 20580), (4116, 17590), (5145, 14072), (5277, 13720), (5880, 12313), (6860, 10554), (7036, 10290), (8232, 8795)]