1777994820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{727}}^1$

素因数の和:1399

約数の個数: 192

約数和(自身を含む): 6340239360

約数和(自身を除く): 4562244540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 647, 727, 756, 945, 1260, 1294, 1454, 1890, 1941, 2181, 2588, 2908, 3235, 3635, 3780, 3882, 4362, 4529, 5089, 5823, 6470, 6543, 7270, 7764, 8724, 9058, 9705, 10178, 10905, 11646, 12940, 13086, 13587, 14540, 15267, 17469, 18116, 19410, 19629, 20356, 21810, 22645, 23292, 25445, 26172, 27174, 29115, 30534, 32715, 34938, 38820, 39258, 40761, 43620, 45290, 45801, 50890, 54348, 58230, 61068, 65430, 67935, 69876, 76335, 78516, 81522, 87345, 90580, 91602, 98145, 101780, 116460, 122283, 130860, 135870, 137403, 152670, 163044, 174690, 183204, 196290, 203805, 229005, 244566, 271740, 274806, 305340, 349380, 392580, 407610, 458010, 470369, 489132, 549612, 611415, 687015, 815220, 916020, 940738, 1222830, 1374030, 1411107, 1881476, 2351845, 2445660, 2748060, 2822214, 3292583, 4233321, 4703690, 5644428, 6585166, 7055535, 8466642, 9407380, 9877749, 12699963, 13170332, 14111070, 16462915, 16933284, 19755498, 21166605, 25399926, 28222140, 29633247, 32925830, 39510996, 42333210, 49388745, 50799852, 59266494, 63499815, 65851660, 84666420, 88899741, 98777490, 118532988, 126999630, 148166235, 177799482, 197554980, 253999260, 296332470, 355598964, 444498705, 592664940, 888997410, 1777994820]

約数ペア:

[(1, 1777994820), (2, 888997410), (3, 592664940), (4, 444498705), (5, 355598964), (6, 296332470), (7, 253999260), (9, 197554980), (10, 177799482), (12, 148166235), (14, 126999630), (15, 118532988), (18, 98777490), (20, 88899741), (21, 84666420), (27, 65851660), (28, 63499815), (30, 59266494), (35, 50799852), (36, 49388745), (42, 42333210), (45, 39510996), (54, 32925830), (60, 29633247), (63, 28222140), (70, 25399926), (84, 21166605), (90, 19755498), (105, 16933284), (108, 16462915), (126, 14111070), (135, 13170332), (140, 12699963), (180, 9877749), (189, 9407380), (210, 8466642), (252, 7055535), (270, 6585166), (315, 5644428), (378, 4703690), (420, 4233321), (540, 3292583), (630, 2822214), (647, 2748060), (727, 2445660), (756, 2351845), (945, 1881476), (1260, 1411107), (1294, 1374030), (1454, 1222830), (1890, 940738), (1941, 916020), (2181, 815220), (2588, 687015), (2908, 611415), (3235, 549612), (3635, 489132), (3780, 470369), (3882, 458010), (4362, 407610), (4529, 392580), (5089, 349380), (5823, 305340), (6470, 274806), (6543, 271740), (7270, 244566), (7764, 229005), (8724, 203805), (9058, 196290), (9705, 183204), (10178, 174690), (10905, 163044), (11646, 152670), (12940, 137403), (13086, 135870), (13587, 130860), (14540, 122283), (15267, 116460), (17469, 101780), (18116, 98145), (19410, 91602), (19629, 90580), (20356, 87345), (21810, 81522), (22645, 78516), (23292, 76335), (25445, 69876), (26172, 67935), (27174, 65430), (29115, 61068), (30534, 58230), (32715, 54348), (34938, 50890), (38820, 45801), (39258, 45290), (40761, 43620)]