1979517204

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:760

約数の個数: 240

約数和(自身を含む): 6322821120

約数和(自身を除く): 4343303916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 71, 76, 81, 84, 108, 114, 126, 133, 142, 162, 171, 189, 213, 228, 252, 266, 284, 324, 342, 378, 399, 426, 497, 513, 532, 567, 639, 647, 684, 756, 798, 852, 994, 1026, 1134, 1197, 1278, 1294, 1349, 1491, 1539, 1596, 1917, 1941, 1988, 2052, 2268, 2394, 2556, 2588, 2698, 2982, 3078, 3591, 3834, 3882, 4047, 4473, 4529, 4788, 5396, 5751, 5823, 5964, 6156, 7182, 7668, 7764, 8094, 8946, 9058, 9443, 10773, 11502, 11646, 12141, 12293, 13419, 13587, 14364, 16188, 17469, 17892, 18116, 18886, 21546, 23004, 23292, 24282, 24586, 26838, 27174, 28329, 34938, 36423, 36879, 37772, 40257, 40761, 43092, 45937, 48564, 49172, 52407, 53676, 54348, 56658, 69876, 72846, 73758, 80514, 81522, 84987, 86051, 91874, 104814, 109269, 110637, 113316, 122283, 137811, 145692, 147516, 161028, 163044, 169974, 172102, 183748, 209628, 218538, 221274, 244566, 254961, 258153, 275622, 321559, 331911, 339948, 344204, 366849, 413433, 437076, 442548, 489132, 509922, 516306, 551244, 643118, 663822, 733698, 764883, 774459, 826866, 872803, 964677, 995733, 1019844, 1032612, 1240299, 1286236, 1327644, 1467396, 1529766, 1548918, 1653732, 1745606, 1929354, 1991466, 2323377, 2480598, 2618409, 2894031, 3059532, 3097836, 3491212, 3720897, 3858708, 3982932, 4646754, 4961196, 5236818, 5788062, 6109621, 6970131, 7441794, 7855227, 8682093, 9293508, 10473636, 11576124, 12219242, 13940262, 14883588, 15710454, 17364186, 18328863, 23565681, 24438484, 26046279, 27880524, 31420908, 34728372, 36657726, 47131362, 52092558, 54986589, 70697043, 73315452, 94262724, 104185116, 109973178, 141394086, 164959767, 219946356, 282788172, 329919534, 494879301, 659839068, 989758602, 1979517204]

約数ペア:

[(1, 1979517204), (2, 989758602), (3, 659839068), (4, 494879301), (6, 329919534), (7, 282788172), (9, 219946356), (12, 164959767), (14, 141394086), (18, 109973178), (19, 104185116), (21, 94262724), (27, 73315452), (28, 70697043), (36, 54986589), (38, 52092558), (42, 47131362), (54, 36657726), (57, 34728372), (63, 31420908), (71, 27880524), (76, 26046279), (81, 24438484), (84, 23565681), (108, 18328863), (114, 17364186), (126, 15710454), (133, 14883588), (142, 13940262), (162, 12219242), (171, 11576124), (189, 10473636), (213, 9293508), (228, 8682093), (252, 7855227), (266, 7441794), (284, 6970131), (324, 6109621), (342, 5788062), (378, 5236818), (399, 4961196), (426, 4646754), (497, 3982932), (513, 3858708), (532, 3720897), (567, 3491212), (639, 3097836), (647, 3059532), (684, 2894031), (756, 2618409), (798, 2480598), (852, 2323377), (994, 1991466), (1026, 1929354), (1134, 1745606), (1197, 1653732), (1278, 1548918), (1294, 1529766), (1349, 1467396), (1491, 1327644), (1539, 1286236), (1596, 1240299), (1917, 1032612), (1941, 1019844), (1988, 995733), (2052, 964677), (2268, 872803), (2394, 826866), (2556, 774459), (2588, 764883), (2698, 733698), (2982, 663822), (3078, 643118), (3591, 551244), (3834, 516306), (3882, 509922), (4047, 489132), (4473, 442548), (4529, 437076), (4788, 413433), (5396, 366849), (5751, 344204), (5823, 339948), (5964, 331911), (6156, 321559), (7182, 275622), (7668, 258153), (7764, 254961), (8094, 244566), (8946, 221274), (9058, 218538), (9443, 209628), (10773, 183748), (11502, 172102), (11646, 169974), (12141, 163044), (12293, 161028), (13419, 147516), (13587, 145692), (14364, 137811), (16188, 122283), (17469, 113316), (17892, 110637), (18116, 109269), (18886, 104814), (21546, 91874), (23004, 86051), (23292, 84987), (24282, 81522), (24586, 80514), (26838, 73758), (27174, 72846), (28329, 69876), (34938, 56658), (36423, 54348), (36879, 53676), (37772, 52407), (40257, 49172), (40761, 48564), (43092, 45937)]