161844280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16381}}^1$

素因数の和:16424

約数の個数: 64

約数和(自身を含む): 412826400

約数和(自身を除く): 250982120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 16381, 32762, 65524, 81905, 131048, 163810, 212953, 311239, 327620, 425906, 622478, 655240, 851812, 1064765, 1244956, 1556195, 1703624, 2129530, 2489912, 3112390, 4046107, 4259060, 6224780, 8092214, 8518120, 12449560, 16184428, 20230535, 32368856, 40461070, 80922140, 161844280]

約数ペア:

[(1, 161844280), (2, 80922140), (4, 40461070), (5, 32368856), (8, 20230535), (10, 16184428), (13, 12449560), (19, 8518120), (20, 8092214), (26, 6224780), (38, 4259060), (40, 4046107), (52, 3112390), (65, 2489912), (76, 2129530), (95, 1703624), (104, 1556195), (130, 1244956), (152, 1064765), (190, 851812), (247, 655240), (260, 622478), (380, 425906), (494, 327620), (520, 311239), (760, 212953), (988, 163810), (1235, 131048), (1976, 81905), (2470, 65524), (4940, 32762), (9880, 16381)]