15790140

素因数分解:

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

素因数の和:68

約数の個数: 144

約数和(自身を含む): 52486560

約数和(自身を除く): 36696420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 361, 380, 405, 486, 513, 540, 570, 684, 722, 729, 810, 855, 972, 1026, 1083, 1140, 1215, 1444, 1458, 1539, 1620, 1710, 1805, 2052, 2166, 2187, 2430, 2565, 2916, 3078, 3249, 3420, 3610, 3645, 4332, 4374, 4617, 4860, 5130, 5415, 6156, 6498, 7220, 7290, 7695, 8748, 9234, 9747, 10260, 10830, 10935, 12996, 13851, 14580, 15390, 16245, 18468, 19494, 21660, 21870, 23085, 27702, 29241, 30780, 32490, 38988, 41553, 43740, 46170, 48735, 55404, 58482, 64980, 69255, 83106, 87723, 92340, 97470, 116964, 138510, 146205, 166212, 175446, 194940, 207765, 263169, 277020, 292410, 350892, 415530, 438615, 526338, 584820, 789507, 831060, 877230, 1052676, 1315845, 1579014, 1754460, 2631690, 3158028, 3947535, 5263380, 7895070, 15790140]

約数ペア:

[(1, 15790140), (2, 7895070), (3, 5263380), (4, 3947535), (5, 3158028), (6, 2631690), (9, 1754460), (10, 1579014), (12, 1315845), (15, 1052676), (18, 877230), (19, 831060), (20, 789507), (27, 584820), (30, 526338), (36, 438615), (38, 415530), (45, 350892), (54, 292410), (57, 277020), (60, 263169), (76, 207765), (81, 194940), (90, 175446), (95, 166212), (108, 146205), (114, 138510), (135, 116964), (162, 97470), (171, 92340), (180, 87723), (190, 83106), (228, 69255), (243, 64980), (270, 58482), (285, 55404), (324, 48735), (342, 46170), (361, 43740), (380, 41553), (405, 38988), (486, 32490), (513, 30780), (540, 29241), (570, 27702), (684, 23085), (722, 21870), (729, 21660), (810, 19494), (855, 18468), (972, 16245), (1026, 15390), (1083, 14580), (1140, 13851), (1215, 12996), (1444, 10935), (1458, 10830), (1539, 10260), (1620, 9747), (1710, 9234), (1805, 8748), (2052, 7695), (2166, 7290), (2187, 7220), (2430, 6498), (2565, 6156), (2916, 5415), (3078, 5130), (3249, 4860), (3420, 4617), (3610, 4374), (3645, 4332)]