870831180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2861}}^1$

素因数の和:2984

約数の個数: 144

約数和(自身を含む): 2812773600

約数和(自身を除く): 1941942420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 89, 90, 95, 114, 171, 178, 180, 190, 228, 267, 285, 342, 356, 380, 445, 534, 570, 684, 801, 855, 890, 1068, 1140, 1335, 1602, 1691, 1710, 1780, 2670, 2861, 3204, 3382, 3420, 4005, 5073, 5340, 5722, 6764, 8010, 8455, 8583, 10146, 11444, 14305, 15219, 16020, 16910, 17166, 20292, 25365, 25749, 28610, 30438, 33820, 34332, 42915, 50730, 51498, 54359, 57220, 60876, 76095, 85830, 101460, 102996, 108718, 128745, 152190, 163077, 171660, 217436, 254629, 257490, 271795, 304380, 326154, 489231, 509258, 514980, 543590, 652308, 763887, 815385, 978462, 1018516, 1087180, 1273145, 1527774, 1630770, 1956924, 2291661, 2446155, 2546290, 3055548, 3261540, 3819435, 4583322, 4837951, 4892310, 5092580, 7638870, 9166644, 9675902, 9784620, 11458305, 14513853, 15277740, 19351804, 22916610, 24189755, 29027706, 43541559, 45833220, 48379510, 58055412, 72569265, 87083118, 96759020, 145138530, 174166236, 217707795, 290277060, 435415590, 870831180]

約数ペア:

[(1, 870831180), (2, 435415590), (3, 290277060), (4, 217707795), (5, 174166236), (6, 145138530), (9, 96759020), (10, 87083118), (12, 72569265), (15, 58055412), (18, 48379510), (19, 45833220), (20, 43541559), (30, 29027706), (36, 24189755), (38, 22916610), (45, 19351804), (57, 15277740), (60, 14513853), (76, 11458305), (89, 9784620), (90, 9675902), (95, 9166644), (114, 7638870), (171, 5092580), (178, 4892310), (180, 4837951), (190, 4583322), (228, 3819435), (267, 3261540), (285, 3055548), (342, 2546290), (356, 2446155), (380, 2291661), (445, 1956924), (534, 1630770), (570, 1527774), (684, 1273145), (801, 1087180), (855, 1018516), (890, 978462), (1068, 815385), (1140, 763887), (1335, 652308), (1602, 543590), (1691, 514980), (1710, 509258), (1780, 489231), (2670, 326154), (2861, 304380), (3204, 271795), (3382, 257490), (3420, 254629), (4005, 217436), (5073, 171660), (5340, 163077), (5722, 152190), (6764, 128745), (8010, 108718), (8455, 102996), (8583, 101460), (10146, 85830), (11444, 76095), (14305, 60876), (15219, 57220), (16020, 54359), (16910, 51498), (17166, 50730), (20292, 42915), (25365, 34332), (25749, 33820), (28610, 30438)]