77919520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2399}}^1$

素因数の和:2450

約数の個数: 96

約数和(自身を含む): 217728000

約数和(自身を除く): 139808480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 406, 464, 560, 580, 812, 928, 1015, 1120, 1160, 1624, 2030, 2320, 2399, 3248, 4060, 4640, 4798, 6496, 8120, 9596, 11995, 16240, 16793, 19192, 23990, 32480, 33586, 38384, 47980, 67172, 69571, 76768, 83965, 95960, 134344, 139142, 167930, 191920, 268688, 278284, 335860, 347855, 383840, 486997, 537376, 556568, 671720, 695710, 973994, 1113136, 1343440, 1391420, 1947988, 2226272, 2434985, 2686880, 2782840, 3895976, 4869970, 5565680, 7791952, 9739940, 11131360, 15583904, 19479880, 38959760, 77919520]

約数ペア:

[(1, 77919520), (2, 38959760), (4, 19479880), (5, 15583904), (7, 11131360), (8, 9739940), (10, 7791952), (14, 5565680), (16, 4869970), (20, 3895976), (28, 2782840), (29, 2686880), (32, 2434985), (35, 2226272), (40, 1947988), (56, 1391420), (58, 1343440), (70, 1113136), (80, 973994), (112, 695710), (116, 671720), (140, 556568), (145, 537376), (160, 486997), (203, 383840), (224, 347855), (232, 335860), (280, 278284), (290, 268688), (406, 191920), (464, 167930), (560, 139142), (580, 134344), (812, 95960), (928, 83965), (1015, 76768), (1120, 69571), (1160, 67172), (1624, 47980), (2030, 38384), (2320, 33586), (2399, 32480), (3248, 23990), (4060, 19192), (4640, 16793), (4798, 16240), (6496, 11995), (8120, 9596)]