31043340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 102866400

約数和(自身を除く): 71823060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 313, 342, 348, 380, 435, 522, 551, 570, 580, 626, 684, 855, 870, 939, 1044, 1102, 1140, 1252, 1305, 1565, 1653, 1710, 1740, 1878, 2204, 2610, 2755, 2817, 3130, 3306, 3420, 3756, 4695, 4959, 5220, 5510, 5634, 5947, 6260, 6612, 8265, 9077, 9390, 9918, 11020, 11268, 11894, 14085, 16530, 17841, 18154, 18780, 19836, 23788, 24795, 27231, 28170, 29735, 33060, 35682, 36308, 45385, 49590, 53523, 54462, 56340, 59470, 71364, 81693, 89205, 90770, 99180, 107046, 108924, 118940, 136155, 163386, 172463, 178410, 181540, 214092, 267615, 272310, 326772, 344926, 356820, 408465, 517389, 535230, 544620, 689852, 816930, 862315, 1034778, 1070460, 1552167, 1633860, 1724630, 2069556, 2586945, 3104334, 3449260, 5173890, 6208668, 7760835, 10347780, 15521670, 31043340]

約数ペア:

[(1, 31043340), (2, 15521670), (3, 10347780), (4, 7760835), (5, 6208668), (6, 5173890), (9, 3449260), (10, 3104334), (12, 2586945), (15, 2069556), (18, 1724630), (19, 1633860), (20, 1552167), (29, 1070460), (30, 1034778), (36, 862315), (38, 816930), (45, 689852), (57, 544620), (58, 535230), (60, 517389), (76, 408465), (87, 356820), (90, 344926), (95, 326772), (114, 272310), (116, 267615), (145, 214092), (171, 181540), (174, 178410), (180, 172463), (190, 163386), (228, 136155), (261, 118940), (285, 108924), (290, 107046), (313, 99180), (342, 90770), (348, 89205), (380, 81693), (435, 71364), (522, 59470), (551, 56340), (570, 54462), (580, 53523), (626, 49590), (684, 45385), (855, 36308), (870, 35682), (939, 33060), (1044, 29735), (1102, 28170), (1140, 27231), (1252, 24795), (1305, 23788), (1565, 19836), (1653, 18780), (1710, 18154), (1740, 17841), (1878, 16530), (2204, 14085), (2610, 11894), (2755, 11268), (2817, 11020), (3130, 9918), (3306, 9390), (3420, 9077), (3756, 8265), (4695, 6612), (4959, 6260), (5220, 5947), (5510, 5634)]