1555521760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43991}}^1$

素因数の和:44036

約数の個数: 96

約数和(自身を含む): 4190501952

約数和(自身を除く): 2634980192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 680, 884, 1040, 1105, 1360, 1768, 2080, 2210, 2720, 3536, 4420, 7072, 8840, 17680, 35360, 43991, 87982, 175964, 219955, 351928, 439910, 571883, 703856, 747847, 879820, 1143766, 1407712, 1495694, 1759640, 2287532, 2859415, 2991388, 3519280, 3739235, 4575064, 5718830, 5982776, 7038560, 7478470, 9150128, 9722011, 11437660, 11965552, 14956940, 18300256, 19444022, 22875320, 23931104, 29913880, 38888044, 45750640, 48610055, 59827760, 77776088, 91501280, 97220110, 119655520, 155552176, 194440220, 311104352, 388880440, 777760880, 1555521760]

約数ペア:

[(1, 1555521760), (2, 777760880), (4, 388880440), (5, 311104352), (8, 194440220), (10, 155552176), (13, 119655520), (16, 97220110), (17, 91501280), (20, 77776088), (26, 59827760), (32, 48610055), (34, 45750640), (40, 38888044), (52, 29913880), (65, 23931104), (68, 22875320), (80, 19444022), (85, 18300256), (104, 14956940), (130, 11965552), (136, 11437660), (160, 9722011), (170, 9150128), (208, 7478470), (221, 7038560), (260, 5982776), (272, 5718830), (340, 4575064), (416, 3739235), (442, 3519280), (520, 2991388), (544, 2859415), (680, 2287532), (884, 1759640), (1040, 1495694), (1105, 1407712), (1360, 1143766), (1768, 879820), (2080, 747847), (2210, 703856), (2720, 571883), (3536, 439910), (4420, 351928), (7072, 219955), (8840, 175964), (17680, 87982), (35360, 43991)]