691419120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21661}}^1$

素因数の和:21703

約数の個数: 160

約数和(自身を含む): 2578644480

約数和(自身を除く): 1887225360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 7980, 10640, 15960, 21661, 31920, 43322, 64983, 86644, 108305, 129966, 151627, 173288, 216610, 259932, 303254, 324915, 346576, 411559, 433220, 454881, 519864, 606508, 649830, 758135, 823118, 866440, 909762, 1039728, 1213016, 1234677, 1299660, 1516270, 1646236, 1732880, 1819524, 2057795, 2274405, 2426032, 2469354, 2599320, 2880913, 3032540, 3292472, 3639048, 4115590, 4548810, 4938708, 5198640, 5761826, 6065080, 6173385, 6584944, 7278096, 8231180, 8642739, 9097620, 9877416, 11523652, 12130160, 12346770, 14404565, 16462360, 17285478, 18195240, 19754832, 23047304, 24693540, 28809130, 32924720, 34570956, 36390480, 43213695, 46094608, 49387080, 57618260, 69141912, 86427390, 98774160, 115236520, 138283824, 172854780, 230473040, 345709560, 691419120]

約数ペア:

[(1, 691419120), (2, 345709560), (3, 230473040), (4, 172854780), (5, 138283824), (6, 115236520), (7, 98774160), (8, 86427390), (10, 69141912), (12, 57618260), (14, 49387080), (15, 46094608), (16, 43213695), (19, 36390480), (20, 34570956), (21, 32924720), (24, 28809130), (28, 24693540), (30, 23047304), (35, 19754832), (38, 18195240), (40, 17285478), (42, 16462360), (48, 14404565), (56, 12346770), (57, 12130160), (60, 11523652), (70, 9877416), (76, 9097620), (80, 8642739), (84, 8231180), (95, 7278096), (105, 6584944), (112, 6173385), (114, 6065080), (120, 5761826), (133, 5198640), (140, 4938708), (152, 4548810), (168, 4115590), (190, 3639048), (210, 3292472), (228, 3032540), (240, 2880913), (266, 2599320), (280, 2469354), (285, 2426032), (304, 2274405), (336, 2057795), (380, 1819524), (399, 1732880), (420, 1646236), (456, 1516270), (532, 1299660), (560, 1234677), (570, 1213016), (665, 1039728), (760, 909762), (798, 866440), (840, 823118), (912, 758135), (1064, 649830), (1140, 606508), (1330, 519864), (1520, 454881), (1596, 433220), (1680, 411559), (1995, 346576), (2128, 324915), (2280, 303254), (2660, 259932), (3192, 216610), (3990, 173288), (4560, 151627), (5320, 129966), (6384, 108305), (7980, 86644), (10640, 64983), (15960, 43322), (21661, 31920)]