31731480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2671}}^1$

素因数の和:2702

約数の個数: 128

約数和(自身を含む): 115430400

約数和(自身を除く): 83698920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2671, 2970, 3960, 5342, 5940, 8013, 10684, 11880, 13355, 16026, 21368, 24039, 26710, 29381, 32052, 40065, 48078, 53420, 58762, 64104, 72117, 80130, 88143, 96156, 106840, 117524, 120195, 144234, 146905, 160260, 176286, 192312, 235048, 240390, 264429, 288468, 293810, 320520, 352572, 360585, 440715, 480780, 528858, 576936, 587620, 705144, 721170, 793287, 881430, 961560, 1057716, 1175240, 1322145, 1442340, 1586574, 1762860, 2115432, 2644290, 2884680, 3173148, 3525720, 3966435, 5288580, 6346296, 7932870, 10577160, 15865740, 31731480]

約数ペア:

[(1, 31731480), (2, 15865740), (3, 10577160), (4, 7932870), (5, 6346296), (6, 5288580), (8, 3966435), (9, 3525720), (10, 3173148), (11, 2884680), (12, 2644290), (15, 2115432), (18, 1762860), (20, 1586574), (22, 1442340), (24, 1322145), (27, 1175240), (30, 1057716), (33, 961560), (36, 881430), (40, 793287), (44, 721170), (45, 705144), (54, 587620), (55, 576936), (60, 528858), (66, 480780), (72, 440715), (88, 360585), (90, 352572), (99, 320520), (108, 293810), (110, 288468), (120, 264429), (132, 240390), (135, 235048), (165, 192312), (180, 176286), (198, 160260), (216, 146905), (220, 144234), (264, 120195), (270, 117524), (297, 106840), (330, 96156), (360, 88143), (396, 80130), (440, 72117), (495, 64104), (540, 58762), (594, 53420), (660, 48078), (792, 40065), (990, 32052), (1080, 29381), (1188, 26710), (1320, 24039), (1485, 21368), (1980, 16026), (2376, 13355), (2671, 11880), (2970, 10684), (3960, 8013), (5342, 5940)]