30891960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:326

約数の個数: 192

約数和(自身を含む): 113724000

約数和(自身を除く): 82832040

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, 269, 290, 319, 330, 348, 360, 396, 435, 440, 495, 522, 538, 580, 638, 660, 696, 792, 807, 870, 957, 990, 1044, 1076, 1160, 1276, 1305, 1320, 1345, 1595, 1614, 1740, 1914, 1980, 2088, 2152, 2421, 2552, 2610, 2690, 2871, 2959, 3190, 3228, 3480, 3828, 3960, 4035, 4785, 4842, 5220, 5380, 5742, 5918, 6380, 6456, 7656, 7801, 8070, 8877, 9570, 9684, 10440, 10760, 11484, 11836, 12105, 12760, 14355, 14795, 15602, 16140, 17754, 19140, 19368, 22968, 23403, 23672, 24210, 26631, 28710, 29590, 31204, 32280, 35508, 38280, 39005, 44385, 46806, 48420, 53262, 57420, 59180, 62408, 70209, 71016, 78010, 85811, 88770, 93612, 96840, 106524, 114840, 117015, 118360, 133155, 140418, 156020, 171622, 177540, 187224, 213048, 234030, 257433, 266310, 280836, 312040, 343244, 351045, 355080, 429055, 468060, 514866, 532620, 561672, 686488, 702090, 772299, 858110, 936120, 1029732, 1065240, 1287165, 1404180, 1544598, 1716220, 2059464, 2574330, 2808360, 3089196, 3432440, 3861495, 5148660, 6178392, 7722990, 10297320, 15445980, 30891960]

約数ペア:

[(1, 30891960), (2, 15445980), (3, 10297320), (4, 7722990), (5, 6178392), (6, 5148660), (8, 3861495), (9, 3432440), (10, 3089196), (11, 2808360), (12, 2574330), (15, 2059464), (18, 1716220), (20, 1544598), (22, 1404180), (24, 1287165), (29, 1065240), (30, 1029732), (33, 936120), (36, 858110), (40, 772299), (44, 702090), (45, 686488), (55, 561672), (58, 532620), (60, 514866), (66, 468060), (72, 429055), (87, 355080), (88, 351045), (90, 343244), (99, 312040), (110, 280836), (116, 266310), (120, 257433), (132, 234030), (145, 213048), (165, 187224), (174, 177540), (180, 171622), (198, 156020), (220, 140418), (232, 133155), (261, 118360), (264, 117015), (269, 114840), (290, 106524), (319, 96840), (330, 93612), (348, 88770), (360, 85811), (396, 78010), (435, 71016), (440, 70209), (495, 62408), (522, 59180), (538, 57420), (580, 53262), (638, 48420), (660, 46806), (696, 44385), (792, 39005), (807, 38280), (870, 35508), (957, 32280), (990, 31204), (1044, 29590), (1076, 28710), (1160, 26631), (1276, 24210), (1305, 23672), (1320, 23403), (1345, 22968), (1595, 19368), (1614, 19140), (1740, 17754), (1914, 16140), (1980, 15602), (2088, 14795), (2152, 14355), (2421, 12760), (2552, 12105), (2610, 11836), (2690, 11484), (2871, 10760), (2959, 10440), (3190, 9684), (3228, 9570), (3480, 8877), (3828, 8070), (3960, 7801), (4035, 7656), (4785, 6456), (4842, 6380), (5220, 5918), (5380, 5742)]