161000280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{9127}}^1$

素因数の和:9158

約数の個数: 144

約数和(自身を含む): 608746320

約数和(自身を除く): 447746040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 9127, 17640, 18254, 27381, 36508, 45635, 54762, 63889, 73016, 82143, 91270, 109524, 127778, 136905, 164286, 182540, 191667, 219048, 255556, 273810, 319445, 328572, 365080, 383334, 410715, 447223, 511112, 547620, 575001, 638890, 657144, 766668, 821430, 894446, 958335, 1095240, 1150002, 1277780, 1341669, 1533336, 1642860, 1788892, 1916670, 2236115, 2300004, 2555560, 2683338, 2875005, 3285720, 3577784, 3833340, 4025007, 4472230, 4600008, 5366676, 5750010, 6708345, 7666680, 8050014, 8944460, 10733352, 11500020, 13416690, 16100028, 17888920, 20125035, 23000040, 26833380, 32200056, 40250070, 53666760, 80500140, 161000280]

約数ペア:

[(1, 161000280), (2, 80500140), (3, 53666760), (4, 40250070), (5, 32200056), (6, 26833380), (7, 23000040), (8, 20125035), (9, 17888920), (10, 16100028), (12, 13416690), (14, 11500020), (15, 10733352), (18, 8944460), (20, 8050014), (21, 7666680), (24, 6708345), (28, 5750010), (30, 5366676), (35, 4600008), (36, 4472230), (40, 4025007), (42, 3833340), (45, 3577784), (49, 3285720), (56, 2875005), (60, 2683338), (63, 2555560), (70, 2300004), (72, 2236115), (84, 1916670), (90, 1788892), (98, 1642860), (105, 1533336), (120, 1341669), (126, 1277780), (140, 1150002), (147, 1095240), (168, 958335), (180, 894446), (196, 821430), (210, 766668), (245, 657144), (252, 638890), (280, 575001), (294, 547620), (315, 511112), (360, 447223), (392, 410715), (420, 383334), (441, 365080), (490, 328572), (504, 319445), (588, 273810), (630, 255556), (735, 219048), (840, 191667), (882, 182540), (980, 164286), (1176, 136905), (1260, 127778), (1470, 109524), (1764, 91270), (1960, 82143), (2205, 73016), (2520, 63889), (2940, 54762), (3528, 45635), (4410, 36508), (5880, 27381), (8820, 18254), (9127, 17640)]