159998160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:881

約数の個数: 160

約数和(自身を含む): 571963392

約数和(自身を除く): 411965232

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 131, 140, 168, 210, 240, 262, 280, 336, 393, 420, 524, 560, 655, 727, 786, 840, 917, 1048, 1310, 1454, 1572, 1680, 1834, 1965, 2096, 2181, 2620, 2751, 2908, 3144, 3635, 3668, 3930, 4362, 4585, 5089, 5240, 5502, 5816, 6288, 7270, 7336, 7860, 8724, 9170, 10178, 10480, 10905, 11004, 11632, 13755, 14540, 14672, 15267, 15720, 17448, 18340, 20356, 21810, 22008, 25445, 27510, 29080, 30534, 31440, 34896, 36680, 40712, 43620, 44016, 50890, 55020, 58160, 61068, 73360, 76335, 81424, 87240, 95237, 101780, 110040, 122136, 152670, 174480, 190474, 203560, 220080, 244272, 285711, 305340, 380948, 407120, 476185, 571422, 610680, 666659, 761896, 952370, 1142844, 1221360, 1333318, 1428555, 1523792, 1904740, 1999977, 2285688, 2666636, 2857110, 3333295, 3809480, 3999954, 4571376, 5333272, 5714220, 6666590, 7618960, 7999908, 9999885, 10666544, 11428440, 13333180, 15999816, 19999770, 22856880, 26666360, 31999632, 39999540, 53332720, 79999080, 159998160]

約数ペア:

[(1, 159998160), (2, 79999080), (3, 53332720), (4, 39999540), (5, 31999632), (6, 26666360), (7, 22856880), (8, 19999770), (10, 15999816), (12, 13333180), (14, 11428440), (15, 10666544), (16, 9999885), (20, 7999908), (21, 7618960), (24, 6666590), (28, 5714220), (30, 5333272), (35, 4571376), (40, 3999954), (42, 3809480), (48, 3333295), (56, 2857110), (60, 2666636), (70, 2285688), (80, 1999977), (84, 1904740), (105, 1523792), (112, 1428555), (120, 1333318), (131, 1221360), (140, 1142844), (168, 952370), (210, 761896), (240, 666659), (262, 610680), (280, 571422), (336, 476185), (393, 407120), (420, 380948), (524, 305340), (560, 285711), (655, 244272), (727, 220080), (786, 203560), (840, 190474), (917, 174480), (1048, 152670), (1310, 122136), (1454, 110040), (1572, 101780), (1680, 95237), (1834, 87240), (1965, 81424), (2096, 76335), (2181, 73360), (2620, 61068), (2751, 58160), (2908, 55020), (3144, 50890), (3635, 44016), (3668, 43620), (3930, 40712), (4362, 36680), (4585, 34896), (5089, 31440), (5240, 30534), (5502, 29080), (5816, 27510), (6288, 25445), (7270, 22008), (7336, 21810), (7860, 20356), (8724, 18340), (9170, 17448), (10178, 15720), (10480, 15267), (10905, 14672), (11004, 14540), (11632, 13755)]