68143320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{3863}}^1$

素因数の和:3894

約数の個数: 144

約数和(自身を含む): 257690160

約数和(自身を除く): 189546840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 3863, 4410, 5880, 7726, 8820, 11589, 15452, 17640, 19315, 23178, 27041, 30904, 34767, 38630, 46356, 54082, 57945, 69534, 77260, 81123, 92712, 108164, 115890, 135205, 139068, 154520, 162246, 173835, 189287, 216328, 231780, 243369, 270410, 278136, 324492, 347670, 378574, 405615, 463560, 486738, 540820, 567861, 648984, 695340, 757148, 811230, 946435, 973476, 1081640, 1135722, 1216845, 1390680, 1514296, 1622460, 1703583, 1892870, 1946952, 2271444, 2433690, 2839305, 3244920, 3407166, 3785740, 4542888, 4867380, 5678610, 6814332, 7571480, 8517915, 9734760, 11357220, 13628664, 17035830, 22714440, 34071660, 68143320]

約数ペア:

[(1, 68143320), (2, 34071660), (3, 22714440), (4, 17035830), (5, 13628664), (6, 11357220), (7, 9734760), (8, 8517915), (9, 7571480), (10, 6814332), (12, 5678610), (14, 4867380), (15, 4542888), (18, 3785740), (20, 3407166), (21, 3244920), (24, 2839305), (28, 2433690), (30, 2271444), (35, 1946952), (36, 1892870), (40, 1703583), (42, 1622460), (45, 1514296), (49, 1390680), (56, 1216845), (60, 1135722), (63, 1081640), (70, 973476), (72, 946435), (84, 811230), (90, 757148), (98, 695340), (105, 648984), (120, 567861), (126, 540820), (140, 486738), (147, 463560), (168, 405615), (180, 378574), (196, 347670), (210, 324492), (245, 278136), (252, 270410), (280, 243369), (294, 231780), (315, 216328), (360, 189287), (392, 173835), (420, 162246), (441, 154520), (490, 139068), (504, 135205), (588, 115890), (630, 108164), (735, 92712), (840, 81123), (882, 77260), (980, 69534), (1176, 57945), (1260, 54082), (1470, 46356), (1764, 38630), (1960, 34767), (2205, 30904), (2520, 27041), (2940, 23178), (3528, 19315), (3863, 17640), (4410, 15452), (5880, 11589), (7726, 8820)]