31121640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 192

約数和(自身を含む): 114566400

約数和(自身を除く): 83444760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 29, 30, 33, 36, 40, 44, 45, 55, 58, 60, 66, 72, 87, 88, 90, 99, 110, 116, 120, 132, 145, 165, 174, 180, 198, 220, 232, 261, 264, 271, 290, 319, 330, 348, 360, 396, 435, 440, 495, 522, 542, 580, 638, 660, 696, 792, 813, 870, 957, 990, 1044, 1084, 1160, 1276, 1305, 1320, 1355, 1595, 1626, 1740, 1914, 1980, 2088, 2168, 2439, 2552, 2610, 2710, 2871, 2981, 3190, 3252, 3480, 3828, 3960, 4065, 4785, 4878, 5220, 5420, 5742, 5962, 6380, 6504, 7656, 7859, 8130, 8943, 9570, 9756, 10440, 10840, 11484, 11924, 12195, 12760, 14355, 14905, 15718, 16260, 17886, 19140, 19512, 22968, 23577, 23848, 24390, 26829, 28710, 29810, 31436, 32520, 35772, 38280, 39295, 44715, 47154, 48780, 53658, 57420, 59620, 62872, 70731, 71544, 78590, 86449, 89430, 94308, 97560, 107316, 114840, 117885, 119240, 134145, 141462, 157180, 172898, 178860, 188616, 214632, 235770, 259347, 268290, 282924, 314360, 345796, 353655, 357720, 432245, 471540, 518694, 536580, 565848, 691592, 707310, 778041, 864490, 943080, 1037388, 1073160, 1296735, 1414620, 1556082, 1728980, 2074776, 2593470, 2829240, 3112164, 3457960, 3890205, 5186940, 6224328, 7780410, 10373880, 15560820, 31121640]

約数ペア:

[(1, 31121640), (2, 15560820), (3, 10373880), (4, 7780410), (5, 6224328), (6, 5186940), (8, 3890205), (9, 3457960), (10, 3112164), (11, 2829240), (12, 2593470), (15, 2074776), (18, 1728980), (20, 1556082), (22, 1414620), (24, 1296735), (29, 1073160), (30, 1037388), (33, 943080), (36, 864490), (40, 778041), (44, 707310), (45, 691592), (55, 565848), (58, 536580), (60, 518694), (66, 471540), (72, 432245), (87, 357720), (88, 353655), (90, 345796), (99, 314360), (110, 282924), (116, 268290), (120, 259347), (132, 235770), (145, 214632), (165, 188616), (174, 178860), (180, 172898), (198, 157180), (220, 141462), (232, 134145), (261, 119240), (264, 117885), (271, 114840), (290, 107316), (319, 97560), (330, 94308), (348, 89430), (360, 86449), (396, 78590), (435, 71544), (440, 70731), (495, 62872), (522, 59620), (542, 57420), (580, 53658), (638, 48780), (660, 47154), (696, 44715), (792, 39295), (813, 38280), (870, 35772), (957, 32520), (990, 31436), (1044, 29810), (1084, 28710), (1160, 26829), (1276, 24390), (1305, 23848), (1320, 23577), (1355, 22968), (1595, 19512), (1626, 19140), (1740, 17886), (1914, 16260), (1980, 15718), (2088, 14905), (2168, 14355), (2439, 12760), (2552, 12195), (2610, 11924), (2710, 11484), (2871, 10840), (2981, 10440), (3190, 9756), (3252, 9570), (3480, 8943), (3828, 8130), (3960, 7859), (4065, 7656), (4785, 6504), (4878, 6380), (5220, 5962), (5420, 5742)]