1639777860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41981}}^1$

素因数の和:42034

約数の個数: 144

約数和(自身を含む): 5868076032

約数和(自身を除く): 4228298172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 9765, 13020, 19530, 39060, 41981, 83962, 125943, 167924, 209905, 251886, 293867, 377829, 419810, 503772, 587734, 629715, 755658, 839620, 881601, 1175468, 1259430, 1301411, 1469335, 1511316, 1763202, 1889145, 2518860, 2602822, 2644803, 2938670, 3526404, 3778290, 3904233, 4408005, 5205644, 5289606, 5877340, 6507055, 7556580, 7808466, 8816010, 9109877, 10579212, 11712699, 13014110, 13224015, 15616932, 17632020, 18219754, 19521165, 23425398, 26028220, 26448030, 27329631, 36439508, 39042330, 45549385, 46850796, 52896060, 54659262, 58563495, 78084660, 81988893, 91098770, 109318524, 117126990, 136648155, 163977786, 182197540, 234253980, 273296310, 327955572, 409944465, 546592620, 819888930, 1639777860]

約数ペア:

[(1, 1639777860), (2, 819888930), (3, 546592620), (4, 409944465), (5, 327955572), (6, 273296310), (7, 234253980), (9, 182197540), (10, 163977786), (12, 136648155), (14, 117126990), (15, 109318524), (18, 91098770), (20, 81988893), (21, 78084660), (28, 58563495), (30, 54659262), (31, 52896060), (35, 46850796), (36, 45549385), (42, 39042330), (45, 36439508), (60, 27329631), (62, 26448030), (63, 26028220), (70, 23425398), (84, 19521165), (90, 18219754), (93, 17632020), (105, 15616932), (124, 13224015), (126, 13014110), (140, 11712699), (155, 10579212), (180, 9109877), (186, 8816010), (210, 7808466), (217, 7556580), (252, 6507055), (279, 5877340), (310, 5289606), (315, 5205644), (372, 4408005), (420, 3904233), (434, 3778290), (465, 3526404), (558, 2938670), (620, 2644803), (630, 2602822), (651, 2518860), (868, 1889145), (930, 1763202), (1085, 1511316), (1116, 1469335), (1260, 1301411), (1302, 1259430), (1395, 1175468), (1860, 881601), (1953, 839620), (2170, 755658), (2604, 629715), (2790, 587734), (3255, 503772), (3906, 419810), (4340, 377829), (5580, 293867), (6510, 251886), (7812, 209905), (9765, 167924), (13020, 125943), (19530, 83962), (39060, 41981)]