1285207320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{2693}}^1$

素因数の和:2845

約数の個数: 128

約数和(自身を含む): 3991861440

約数和(自身を除く): 2706654120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 97, 120, 123, 164, 194, 205, 246, 291, 328, 388, 410, 485, 492, 582, 615, 776, 820, 970, 984, 1164, 1230, 1455, 1640, 1940, 2328, 2460, 2693, 2910, 3880, 3977, 4920, 5386, 5820, 7954, 8079, 10772, 11640, 11931, 13465, 15908, 16158, 19885, 21544, 23862, 26930, 31816, 32316, 39770, 40395, 47724, 53860, 59655, 64632, 79540, 80790, 95448, 107720, 110413, 119310, 159080, 161580, 220826, 238620, 261221, 323160, 331239, 441652, 477240, 522442, 552065, 662478, 783663, 883304, 1044884, 1104130, 1306105, 1324956, 1567326, 1656195, 2089768, 2208260, 2612210, 2649912, 3134652, 3312390, 3918315, 4416520, 5224420, 6269304, 6624780, 7836630, 10448840, 10710061, 13249560, 15673260, 21420122, 31346520, 32130183, 42840244, 53550305, 64260366, 85680488, 107100610, 128520732, 160650915, 214201220, 257041464, 321301830, 428402440, 642603660, 1285207320]

約数ペア:

[(1, 1285207320), (2, 642603660), (3, 428402440), (4, 321301830), (5, 257041464), (6, 214201220), (8, 160650915), (10, 128520732), (12, 107100610), (15, 85680488), (20, 64260366), (24, 53550305), (30, 42840244), (40, 32130183), (41, 31346520), (60, 21420122), (82, 15673260), (97, 13249560), (120, 10710061), (123, 10448840), (164, 7836630), (194, 6624780), (205, 6269304), (246, 5224420), (291, 4416520), (328, 3918315), (388, 3312390), (410, 3134652), (485, 2649912), (492, 2612210), (582, 2208260), (615, 2089768), (776, 1656195), (820, 1567326), (970, 1324956), (984, 1306105), (1164, 1104130), (1230, 1044884), (1455, 883304), (1640, 783663), (1940, 662478), (2328, 552065), (2460, 522442), (2693, 477240), (2910, 441652), (3880, 331239), (3977, 323160), (4920, 261221), (5386, 238620), (5820, 220826), (7954, 161580), (8079, 159080), (10772, 119310), (11640, 110413), (11931, 107720), (13465, 95448), (15908, 80790), (16158, 79540), (19885, 64632), (21544, 59655), (23862, 53860), (26930, 47724), (31816, 40395), (32316, 39770)]