681566340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2978

約数の個数: 192

約数和(自身を含む): 2404233216

約数和(自身を除く): 1722666876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 43, 52, 60, 65, 70, 78, 84, 86, 91, 105, 129, 130, 140, 156, 172, 182, 195, 210, 215, 258, 260, 273, 301, 364, 390, 420, 430, 455, 516, 546, 559, 602, 645, 780, 860, 903, 910, 1092, 1118, 1204, 1290, 1365, 1505, 1677, 1806, 1820, 2236, 2580, 2730, 2795, 2903, 3010, 3354, 3612, 3913, 4515, 5460, 5590, 5806, 6020, 6708, 7826, 8385, 8709, 9030, 11180, 11612, 11739, 14515, 15652, 16770, 17418, 18060, 19565, 20321, 23478, 29030, 33540, 34836, 37739, 39130, 40642, 43545, 46956, 58060, 58695, 60963, 75478, 78260, 81284, 87090, 101605, 113217, 117390, 121926, 124829, 150956, 174180, 188695, 203210, 226434, 234780, 243852, 249658, 264173, 304815, 374487, 377390, 406420, 452868, 499316, 528346, 566085, 609630, 624145, 748974, 754780, 792519, 873803, 1056692, 1132170, 1219260, 1248290, 1320865, 1497948, 1585038, 1622777, 1747606, 1872435, 2264340, 2496580, 2621409, 2641730, 3170076, 3245554, 3495212, 3744870, 3962595, 4369015, 4868331, 5242818, 5283460, 6491108, 7489740, 7925190, 8113885, 8738030, 9736662, 10485636, 11359439, 13107045, 15850380, 16227770, 17476060, 19473324, 22718878, 24341655, 26214090, 32455540, 34078317, 45437756, 48683310, 52428180, 56797195, 68156634, 97366620, 113594390, 136313268, 170391585, 227188780, 340783170, 681566340]

約数ペア:

[(1, 681566340), (2, 340783170), (3, 227188780), (4, 170391585), (5, 136313268), (6, 113594390), (7, 97366620), (10, 68156634), (12, 56797195), (13, 52428180), (14, 48683310), (15, 45437756), (20, 34078317), (21, 32455540), (26, 26214090), (28, 24341655), (30, 22718878), (35, 19473324), (39, 17476060), (42, 16227770), (43, 15850380), (52, 13107045), (60, 11359439), (65, 10485636), (70, 9736662), (78, 8738030), (84, 8113885), (86, 7925190), (91, 7489740), (105, 6491108), (129, 5283460), (130, 5242818), (140, 4868331), (156, 4369015), (172, 3962595), (182, 3744870), (195, 3495212), (210, 3245554), (215, 3170076), (258, 2641730), (260, 2621409), (273, 2496580), (301, 2264340), (364, 1872435), (390, 1747606), (420, 1622777), (430, 1585038), (455, 1497948), (516, 1320865), (546, 1248290), (559, 1219260), (602, 1132170), (645, 1056692), (780, 873803), (860, 792519), (903, 754780), (910, 748974), (1092, 624145), (1118, 609630), (1204, 566085), (1290, 528346), (1365, 499316), (1505, 452868), (1677, 406420), (1806, 377390), (1820, 374487), (2236, 304815), (2580, 264173), (2730, 249658), (2795, 243852), (2903, 234780), (3010, 226434), (3354, 203210), (3612, 188695), (3913, 174180), (4515, 150956), (5460, 124829), (5590, 121926), (5806, 117390), (6020, 113217), (6708, 101605), (7826, 87090), (8385, 81284), (8709, 78260), (9030, 75478), (11180, 60963), (11612, 58695), (11739, 58060), (14515, 46956), (15652, 43545), (16770, 40642), (17418, 39130), (18060, 37739), (19565, 34836), (20321, 33540), (23478, 29030)]