81584800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 221985792

約数和(自身を除く): 140400992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 73, 80, 88, 100, 110, 127, 146, 160, 176, 200, 220, 254, 275, 292, 352, 365, 400, 440, 508, 550, 584, 635, 730, 800, 803, 880, 1016, 1100, 1168, 1270, 1397, 1460, 1606, 1760, 1825, 2032, 2200, 2336, 2540, 2794, 2920, 3175, 3212, 3650, 4015, 4064, 4400, 5080, 5588, 5840, 6350, 6424, 6985, 7300, 8030, 8800, 9271, 10160, 11176, 11680, 12700, 12848, 13970, 14600, 16060, 18542, 20075, 20320, 22352, 25400, 25696, 27940, 29200, 32120, 34925, 37084, 40150, 44704, 46355, 50800, 55880, 58400, 64240, 69850, 74168, 80300, 92710, 101600, 101981, 111760, 128480, 139700, 148336, 160600, 185420, 203962, 223520, 231775, 279400, 296672, 321200, 370840, 407924, 463550, 509905, 558800, 642400, 741680, 815848, 927100, 1019810, 1117600, 1483360, 1631696, 1854200, 2039620, 2549525, 3263392, 3708400, 4079240, 5099050, 7416800, 8158480, 10198100, 16316960, 20396200, 40792400, 81584800]

約数ペア:

[(1, 81584800), (2, 40792400), (4, 20396200), (5, 16316960), (8, 10198100), (10, 8158480), (11, 7416800), (16, 5099050), (20, 4079240), (22, 3708400), (25, 3263392), (32, 2549525), (40, 2039620), (44, 1854200), (50, 1631696), (55, 1483360), (73, 1117600), (80, 1019810), (88, 927100), (100, 815848), (110, 741680), (127, 642400), (146, 558800), (160, 509905), (176, 463550), (200, 407924), (220, 370840), (254, 321200), (275, 296672), (292, 279400), (352, 231775), (365, 223520), (400, 203962), (440, 185420), (508, 160600), (550, 148336), (584, 139700), (635, 128480), (730, 111760), (800, 101981), (803, 101600), (880, 92710), (1016, 80300), (1100, 74168), (1168, 69850), (1270, 64240), (1397, 58400), (1460, 55880), (1606, 50800), (1760, 46355), (1825, 44704), (2032, 40150), (2200, 37084), (2336, 34925), (2540, 32120), (2794, 29200), (2920, 27940), (3175, 25696), (3212, 25400), (3650, 22352), (4015, 20320), (4064, 20075), (4400, 18542), (5080, 16060), (5588, 14600), (5840, 13970), (6350, 12848), (6424, 12700), (6985, 11680), (7300, 11176), (8030, 10160), (8800, 9271)]