15181380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 50843520

約数和(自身を除く): 35662140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 193, 207, 228, 230, 276, 285, 342, 345, 380, 386, 414, 437, 460, 570, 579, 684, 690, 772, 828, 855, 874, 965, 1035, 1140, 1158, 1311, 1380, 1710, 1737, 1748, 1930, 2070, 2185, 2316, 2622, 2895, 3420, 3474, 3667, 3860, 3933, 4140, 4370, 4439, 5244, 5790, 6555, 6948, 7334, 7866, 8685, 8740, 8878, 11001, 11580, 13110, 13317, 14668, 15732, 17370, 17756, 18335, 19665, 22002, 22195, 26220, 26634, 33003, 34740, 36670, 39330, 39951, 44004, 44390, 53268, 55005, 66006, 66585, 73340, 78660, 79902, 84341, 88780, 110010, 132012, 133170, 159804, 165015, 168682, 199755, 220020, 253023, 266340, 330030, 337364, 399510, 421705, 506046, 660060, 759069, 799020, 843410, 1012092, 1265115, 1518138, 1686820, 2530230, 3036276, 3795345, 5060460, 7590690, 15181380]

約数ペア:

[(1, 15181380), (2, 7590690), (3, 5060460), (4, 3795345), (5, 3036276), (6, 2530230), (9, 1686820), (10, 1518138), (12, 1265115), (15, 1012092), (18, 843410), (19, 799020), (20, 759069), (23, 660060), (30, 506046), (36, 421705), (38, 399510), (45, 337364), (46, 330030), (57, 266340), (60, 253023), (69, 220020), (76, 199755), (90, 168682), (92, 165015), (95, 159804), (114, 133170), (115, 132012), (138, 110010), (171, 88780), (180, 84341), (190, 79902), (193, 78660), (207, 73340), (228, 66585), (230, 66006), (276, 55005), (285, 53268), (342, 44390), (345, 44004), (380, 39951), (386, 39330), (414, 36670), (437, 34740), (460, 33003), (570, 26634), (579, 26220), (684, 22195), (690, 22002), (772, 19665), (828, 18335), (855, 17756), (874, 17370), (965, 15732), (1035, 14668), (1140, 13317), (1158, 13110), (1311, 11580), (1380, 11001), (1710, 8878), (1737, 8740), (1748, 8685), (1930, 7866), (2070, 7334), (2185, 6948), (2316, 6555), (2622, 5790), (2895, 5244), (3420, 4439), (3474, 4370), (3667, 4140), (3860, 3933)]