1620128440575

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{204521}}^1$

素因数の和:204682

約数の個数: 144

約数和(自身を含む): 3263925693600

約数和(自身を除く): 1643797253025

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 109, 153, 171, 225, 255, 285, 323, 327, 425, 475, 545, 765, 855, 969, 981, 1275, 1425, 1615, 1635, 1853, 2071, 2725, 2907, 3825, 4275, 4845, 4905, 5559, 6213, 8075, 8175, 9265, 10355, 14535, 16677, 18639, 24225, 24525, 27795, 31065, 35207, 46325, 51775, 72675, 83385, 93195, 105621, 138975, 155325, 176035, 204521, 316863, 416925, 465975, 528105, 613563, 880175, 1022605, 1584315, 1840689, 2640525, 3067815, 3476857, 3885899, 5113025, 7921575, 9203445, 10430571, 11657697, 15339075, 17384285, 19429495, 22292789, 31291713, 34973091, 46017225, 52152855, 58288485, 66060283, 66878367, 86921425, 97147475, 111463945, 156458565, 174865455, 198180849, 200635101, 260764275, 291442425, 330301415, 334391835, 378977413, 423562991, 557319725, 594542547, 782292825, 874327275, 990904245, 1003175505, 1136932239, 1270688973, 1651507075, 1671959175, 1894887065, 2117814955, 2972712735, 3410796717, 3812066919, 4954521225, 5015877525, 5684661195, 6353444865, 7200570847, 9474435325, 10589074775, 14863563675, 17053983585, 19060334595, 21601712541, 28423305975, 31767224325, 36002854235, 64805137623, 85269917925, 95301672975, 108008562705, 180014271175, 324025688115, 540042813525, 1620128440575]

約数ペア:

[(1, 1620128440575), (3, 540042813525), (5, 324025688115), (9, 180014271175), (15, 108008562705), (17, 95301672975), (19, 85269917925), (25, 64805137623), (45, 36002854235), (51, 31767224325), (57, 28423305975), (75, 21601712541), (85, 19060334595), (95, 17053983585), (109, 14863563675), (153, 10589074775), (171, 9474435325), (225, 7200570847), (255, 6353444865), (285, 5684661195), (323, 5015877525), (327, 4954521225), (425, 3812066919), (475, 3410796717), (545, 2972712735), (765, 2117814955), (855, 1894887065), (969, 1671959175), (981, 1651507075), (1275, 1270688973), (1425, 1136932239), (1615, 1003175505), (1635, 990904245), (1853, 874327275), (2071, 782292825), (2725, 594542547), (2907, 557319725), (3825, 423562991), (4275, 378977413), (4845, 334391835), (4905, 330301415), (5559, 291442425), (6213, 260764275), (8075, 200635101), (8175, 198180849), (9265, 174865455), (10355, 156458565), (14535, 111463945), (16677, 97147475), (18639, 86921425), (24225, 66878367), (24525, 66060283), (27795, 58288485), (31065, 52152855), (35207, 46017225), (46325, 34973091), (51775, 31291713), (72675, 22292789), (83385, 19429495), (93195, 17384285), (105621, 15339075), (138975, 11657697), (155325, 10430571), (176035, 9203445), (204521, 7921575), (316863, 5113025), (416925, 3885899), (465975, 3476857), (528105, 3067815), (613563, 2640525), (880175, 1840689), (1022605, 1584315)]