31192980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 111767040

約数和(自身を除く): 80574060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 29, 30, 35, 39, 42, 52, 58, 60, 65, 70, 78, 84, 87, 91, 105, 116, 130, 140, 145, 156, 174, 182, 195, 197, 203, 210, 260, 273, 290, 348, 364, 377, 390, 394, 406, 420, 435, 455, 546, 580, 591, 609, 754, 780, 788, 812, 870, 910, 985, 1015, 1092, 1131, 1182, 1218, 1365, 1379, 1508, 1740, 1820, 1885, 1970, 2030, 2262, 2364, 2436, 2561, 2639, 2730, 2758, 2955, 3045, 3770, 3940, 4060, 4137, 4524, 5122, 5278, 5460, 5516, 5655, 5713, 5910, 6090, 6895, 7540, 7683, 7917, 8274, 10244, 10556, 11310, 11426, 11820, 12180, 12805, 13195, 13790, 15366, 15834, 16548, 17139, 17927, 20685, 22620, 22852, 25610, 26390, 27580, 28565, 30732, 31668, 34278, 35854, 38415, 39585, 39991, 41370, 51220, 52780, 53781, 57130, 68556, 71708, 74269, 76830, 79170, 79982, 82740, 85695, 89635, 107562, 114260, 119973, 148538, 153660, 158340, 159964, 171390, 179270, 199955, 215124, 222807, 239946, 268905, 297076, 342780, 358540, 371345, 399910, 445614, 479892, 519883, 537810, 599865, 742690, 799820, 891228, 1039766, 1075620, 1114035, 1199730, 1485380, 1559649, 2079532, 2228070, 2399460, 2599415, 3119298, 4456140, 5198830, 6238596, 7798245, 10397660, 15596490, 31192980]

約数ペア:

[(1, 31192980), (2, 15596490), (3, 10397660), (4, 7798245), (5, 6238596), (6, 5198830), (7, 4456140), (10, 3119298), (12, 2599415), (13, 2399460), (14, 2228070), (15, 2079532), (20, 1559649), (21, 1485380), (26, 1199730), (28, 1114035), (29, 1075620), (30, 1039766), (35, 891228), (39, 799820), (42, 742690), (52, 599865), (58, 537810), (60, 519883), (65, 479892), (70, 445614), (78, 399910), (84, 371345), (87, 358540), (91, 342780), (105, 297076), (116, 268905), (130, 239946), (140, 222807), (145, 215124), (156, 199955), (174, 179270), (182, 171390), (195, 159964), (197, 158340), (203, 153660), (210, 148538), (260, 119973), (273, 114260), (290, 107562), (348, 89635), (364, 85695), (377, 82740), (390, 79982), (394, 79170), (406, 76830), (420, 74269), (435, 71708), (455, 68556), (546, 57130), (580, 53781), (591, 52780), (609, 51220), (754, 41370), (780, 39991), (788, 39585), (812, 38415), (870, 35854), (910, 34278), (985, 31668), (1015, 30732), (1092, 28565), (1131, 27580), (1182, 26390), (1218, 25610), (1365, 22852), (1379, 22620), (1508, 20685), (1740, 17927), (1820, 17139), (1885, 16548), (1970, 15834), (2030, 15366), (2262, 13790), (2364, 13195), (2436, 12805), (2561, 12180), (2639, 11820), (2730, 11426), (2758, 11310), (2955, 10556), (3045, 10244), (3770, 8274), (3940, 7917), (4060, 7683), (4137, 7540), (4524, 6895), (5122, 6090), (5278, 5910), (5460, 5713), (5516, 5655)]