138446820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 443596608

約数和(自身を除く): 305149788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 243, 244, 270, 305, 324, 366, 405, 467, 486, 540, 549, 610, 732, 810, 915, 934, 972, 1098, 1215, 1220, 1401, 1620, 1647, 1830, 1868, 2196, 2335, 2430, 2745, 2802, 3294, 3660, 4203, 4670, 4860, 4941, 5490, 5604, 6588, 7005, 8235, 8406, 9340, 9882, 10980, 12609, 14010, 14823, 16470, 16812, 19764, 21015, 24705, 25218, 28020, 28487, 29646, 32940, 37827, 42030, 49410, 50436, 56974, 59292, 63045, 74115, 75654, 84060, 85461, 98820, 113481, 113948, 126090, 142435, 148230, 151308, 170922, 189135, 226962, 252180, 256383, 284870, 296460, 341844, 378270, 427305, 453924, 512766, 567405, 569740, 756540, 769149, 854610, 1025532, 1134810, 1281915, 1538298, 1709220, 2269620, 2307447, 2563830, 3076596, 3845745, 4614894, 5127660, 6922341, 7691490, 9229788, 11537235, 13844682, 15382980, 23074470, 27689364, 34611705, 46148940, 69223410, 138446820]

約数ペア:

[(1, 138446820), (2, 69223410), (3, 46148940), (4, 34611705), (5, 27689364), (6, 23074470), (9, 15382980), (10, 13844682), (12, 11537235), (15, 9229788), (18, 7691490), (20, 6922341), (27, 5127660), (30, 4614894), (36, 3845745), (45, 3076596), (54, 2563830), (60, 2307447), (61, 2269620), (81, 1709220), (90, 1538298), (108, 1281915), (122, 1134810), (135, 1025532), (162, 854610), (180, 769149), (183, 756540), (243, 569740), (244, 567405), (270, 512766), (305, 453924), (324, 427305), (366, 378270), (405, 341844), (467, 296460), (486, 284870), (540, 256383), (549, 252180), (610, 226962), (732, 189135), (810, 170922), (915, 151308), (934, 148230), (972, 142435), (1098, 126090), (1215, 113948), (1220, 113481), (1401, 98820), (1620, 85461), (1647, 84060), (1830, 75654), (1868, 74115), (2196, 63045), (2335, 59292), (2430, 56974), (2745, 50436), (2802, 49410), (3294, 42030), (3660, 37827), (4203, 32940), (4670, 29646), (4860, 28487), (4941, 28020), (5490, 25218), (5604, 24705), (6588, 21015), (7005, 19764), (8235, 16812), (8406, 16470), (9340, 14823), (9882, 14010), (10980, 12609)]