1820228970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{7691}}^1$

素因数の和:7745

約数の個数: 128

約数和(自身を含む): 5316710400

約数和(自身を除く): 3496481430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 49, 69, 70, 98, 105, 115, 138, 147, 161, 210, 230, 245, 294, 322, 343, 345, 483, 490, 686, 690, 735, 805, 966, 1029, 1127, 1470, 1610, 1715, 2058, 2254, 2415, 3381, 3430, 4830, 5145, 5635, 6762, 7691, 7889, 10290, 11270, 15382, 15778, 16905, 23073, 23667, 33810, 38455, 39445, 46146, 47334, 53837, 76910, 78890, 107674, 115365, 118335, 161511, 176893, 230730, 236670, 269185, 323022, 353786, 376859, 530679, 538370, 753718, 807555, 884465, 1061358, 1130577, 1238251, 1615110, 1768930, 1884295, 2261154, 2476502, 2638013, 2653395, 3714753, 3768590, 5276026, 5306790, 5652885, 6191255, 7429506, 7914039, 8667757, 11305770, 12382510, 13190065, 15828078, 17335514, 18573765, 26003271, 26380130, 37147530, 39570195, 43338785, 52006542, 60674299, 79140390, 86677570, 121348598, 130016355, 182022897, 260032710, 303371495, 364045794, 606742990, 910114485, 1820228970]

約数ペア:

[(1, 1820228970), (2, 910114485), (3, 606742990), (5, 364045794), (6, 303371495), (7, 260032710), (10, 182022897), (14, 130016355), (15, 121348598), (21, 86677570), (23, 79140390), (30, 60674299), (35, 52006542), (42, 43338785), (46, 39570195), (49, 37147530), (69, 26380130), (70, 26003271), (98, 18573765), (105, 17335514), (115, 15828078), (138, 13190065), (147, 12382510), (161, 11305770), (210, 8667757), (230, 7914039), (245, 7429506), (294, 6191255), (322, 5652885), (343, 5306790), (345, 5276026), (483, 3768590), (490, 3714753), (686, 2653395), (690, 2638013), (735, 2476502), (805, 2261154), (966, 1884295), (1029, 1768930), (1127, 1615110), (1470, 1238251), (1610, 1130577), (1715, 1061358), (2058, 884465), (2254, 807555), (2415, 753718), (3381, 538370), (3430, 530679), (4830, 376859), (5145, 353786), (5635, 323022), (6762, 269185), (7691, 236670), (7889, 230730), (10290, 176893), (11270, 161511), (15382, 118335), (15778, 115365), (16905, 107674), (23073, 78890), (23667, 76910), (33810, 53837), (38455, 47334), (39445, 46146)]