81281760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1423}}^1$

素因数の和:1465

約数の個数: 192

約数和(自身を含む): 310044672

約数和(自身を除く): 228762912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 480, 510, 544, 560, 595, 672, 680, 714, 816, 840, 952, 1020, 1120, 1190, 1360, 1423, 1428, 1632, 1680, 1785, 1904, 2040, 2380, 2720, 2846, 2856, 3360, 3570, 3808, 4080, 4269, 4760, 5692, 5712, 7115, 7140, 8160, 8538, 9520, 9961, 11384, 11424, 14230, 14280, 17076, 19040, 19922, 21345, 22768, 24191, 28460, 28560, 29883, 34152, 39844, 42690, 45536, 48382, 49805, 56920, 57120, 59766, 68304, 72573, 79688, 85380, 96764, 99610, 113840, 119532, 120955, 136608, 145146, 149415, 159376, 169337, 170760, 193528, 199220, 227680, 239064, 241910, 290292, 298830, 318752, 338674, 341520, 362865, 387056, 398440, 478128, 483820, 508011, 580584, 597660, 677348, 683040, 725730, 774112, 796880, 846685, 956256, 967640, 1016022, 1161168, 1195320, 1354696, 1451460, 1593760, 1693370, 1935280, 2032044, 2322336, 2390640, 2540055, 2709392, 2902920, 3386740, 3870560, 4064088, 4781280, 5080110, 5418784, 5805840, 6773480, 8128176, 10160220, 11611680, 13546960, 16256352, 20320440, 27093920, 40640880, 81281760]

約数ペア:

[(1, 81281760), (2, 40640880), (3, 27093920), (4, 20320440), (5, 16256352), (6, 13546960), (7, 11611680), (8, 10160220), (10, 8128176), (12, 6773480), (14, 5805840), (15, 5418784), (16, 5080110), (17, 4781280), (20, 4064088), (21, 3870560), (24, 3386740), (28, 2902920), (30, 2709392), (32, 2540055), (34, 2390640), (35, 2322336), (40, 2032044), (42, 1935280), (48, 1693370), (51, 1593760), (56, 1451460), (60, 1354696), (68, 1195320), (70, 1161168), (80, 1016022), (84, 967640), (85, 956256), (96, 846685), (102, 796880), (105, 774112), (112, 725730), (119, 683040), (120, 677348), (136, 597660), (140, 580584), (160, 508011), (168, 483820), (170, 478128), (204, 398440), (210, 387056), (224, 362865), (238, 341520), (240, 338674), (255, 318752), (272, 298830), (280, 290292), (336, 241910), (340, 239064), (357, 227680), (408, 199220), (420, 193528), (476, 170760), (480, 169337), (510, 159376), (544, 149415), (560, 145146), (595, 136608), (672, 120955), (680, 119532), (714, 113840), (816, 99610), (840, 96764), (952, 85380), (1020, 79688), (1120, 72573), (1190, 68304), (1360, 59766), (1423, 57120), (1428, 56920), (1632, 49805), (1680, 48382), (1785, 45536), (1904, 42690), (2040, 39844), (2380, 34152), (2720, 29883), (2846, 28560), (2856, 28460), (3360, 24191), (3570, 22768), (3808, 21345), (4080, 19922), (4269, 19040), (4760, 17076), (5692, 14280), (5712, 14230), (7115, 11424), (7140, 11384), (8160, 9961), (8538, 9520)]