28572720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 98565120

約数和(自身を除く): 69992400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 79, 80, 88, 110, 120, 132, 137, 158, 165, 176, 220, 237, 240, 264, 274, 316, 330, 395, 411, 440, 474, 528, 548, 632, 660, 685, 790, 822, 869, 880, 948, 1096, 1185, 1264, 1320, 1370, 1507, 1580, 1644, 1738, 1896, 2055, 2192, 2370, 2607, 2640, 2740, 3014, 3160, 3288, 3476, 3792, 4110, 4345, 4521, 4740, 5214, 5480, 6028, 6320, 6576, 6952, 7535, 8220, 8690, 9042, 9480, 10428, 10823, 10960, 12056, 13035, 13904, 15070, 16440, 17380, 18084, 18960, 20856, 21646, 22605, 24112, 26070, 30140, 32469, 32880, 34760, 36168, 41712, 43292, 45210, 52140, 54115, 60280, 64938, 69520, 72336, 86584, 90420, 104280, 108230, 119053, 120560, 129876, 162345, 173168, 180840, 208560, 216460, 238106, 259752, 324690, 357159, 361680, 432920, 476212, 519504, 595265, 649380, 714318, 865840, 952424, 1190530, 1298760, 1428636, 1785795, 1904848, 2381060, 2597520, 2857272, 3571590, 4762120, 5714544, 7143180, 9524240, 14286360, 28572720]

約数ペア:

[(1, 28572720), (2, 14286360), (3, 9524240), (4, 7143180), (5, 5714544), (6, 4762120), (8, 3571590), (10, 2857272), (11, 2597520), (12, 2381060), (15, 1904848), (16, 1785795), (20, 1428636), (22, 1298760), (24, 1190530), (30, 952424), (33, 865840), (40, 714318), (44, 649380), (48, 595265), (55, 519504), (60, 476212), (66, 432920), (79, 361680), (80, 357159), (88, 324690), (110, 259752), (120, 238106), (132, 216460), (137, 208560), (158, 180840), (165, 173168), (176, 162345), (220, 129876), (237, 120560), (240, 119053), (264, 108230), (274, 104280), (316, 90420), (330, 86584), (395, 72336), (411, 69520), (440, 64938), (474, 60280), (528, 54115), (548, 52140), (632, 45210), (660, 43292), (685, 41712), (790, 36168), (822, 34760), (869, 32880), (880, 32469), (948, 30140), (1096, 26070), (1185, 24112), (1264, 22605), (1320, 21646), (1370, 20856), (1507, 18960), (1580, 18084), (1644, 17380), (1738, 16440), (1896, 15070), (2055, 13904), (2192, 13035), (2370, 12056), (2607, 10960), (2640, 10823), (2740, 10428), (3014, 9480), (3160, 9042), (3288, 8690), (3476, 8220), (3792, 7535), (4110, 6952), (4345, 6576), (4521, 6320), (4740, 6028), (5214, 5480)]