81773700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 249359040

約数和(自身を除く): 167585340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 50, 53, 60, 74, 75, 100, 106, 111, 139, 148, 150, 159, 185, 212, 222, 265, 278, 300, 318, 370, 417, 444, 530, 555, 556, 636, 695, 740, 795, 834, 925, 1060, 1110, 1325, 1390, 1590, 1668, 1850, 1961, 2085, 2220, 2650, 2775, 2780, 3180, 3475, 3700, 3922, 3975, 4170, 5143, 5300, 5550, 5883, 6950, 7367, 7844, 7950, 8340, 9805, 10286, 10425, 11100, 11766, 13900, 14734, 15429, 15900, 19610, 20572, 20850, 22101, 23532, 25715, 29415, 29468, 30858, 36835, 39220, 41700, 44202, 49025, 51430, 58830, 61716, 73670, 77145, 88404, 98050, 102860, 110505, 117660, 128575, 147075, 147340, 154290, 184175, 196100, 221010, 257150, 272579, 294150, 308580, 368350, 385725, 442020, 514300, 545158, 552525, 588300, 736700, 771450, 817737, 1090316, 1105050, 1362895, 1542900, 1635474, 2210100, 2725790, 3270948, 4088685, 5451580, 6814475, 8177370, 13628950, 16354740, 20443425, 27257900, 40886850, 81773700]

約数ペア:

[(1, 81773700), (2, 40886850), (3, 27257900), (4, 20443425), (5, 16354740), (6, 13628950), (10, 8177370), (12, 6814475), (15, 5451580), (20, 4088685), (25, 3270948), (30, 2725790), (37, 2210100), (50, 1635474), (53, 1542900), (60, 1362895), (74, 1105050), (75, 1090316), (100, 817737), (106, 771450), (111, 736700), (139, 588300), (148, 552525), (150, 545158), (159, 514300), (185, 442020), (212, 385725), (222, 368350), (265, 308580), (278, 294150), (300, 272579), (318, 257150), (370, 221010), (417, 196100), (444, 184175), (530, 154290), (555, 147340), (556, 147075), (636, 128575), (695, 117660), (740, 110505), (795, 102860), (834, 98050), (925, 88404), (1060, 77145), (1110, 73670), (1325, 61716), (1390, 58830), (1590, 51430), (1668, 49025), (1850, 44202), (1961, 41700), (2085, 39220), (2220, 36835), (2650, 30858), (2775, 29468), (2780, 29415), (3180, 25715), (3475, 23532), (3700, 22101), (3922, 20850), (3975, 20572), (4170, 19610), (5143, 15900), (5300, 15429), (5550, 14734), (5883, 13900), (6950, 11766), (7367, 11100), (7844, 10425), (7950, 10286), (8340, 9805)]