161007840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{15973}}^1$

素因数の和:16001

約数の個数: 144

約数和(自身を含む): 627969888

約数和(自身を除く): 466962048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 15973, 31946, 47919, 63892, 79865, 95838, 111811, 127784, 143757, 159730, 191676, 223622, 239595, 255568, 287514, 319460, 335433, 383352, 447244, 479190, 511136, 559055, 575028, 638920, 670866, 718785, 766704, 894488, 958380, 1006299, 1118110, 1150056, 1277840, 1341732, 1437570, 1533408, 1677165, 1788976, 1916760, 2012598, 2236220, 2300112, 2555680, 2683464, 2875140, 3354330, 3577952, 3833520, 4025196, 4472440, 4600224, 5031495, 5366928, 5750280, 6708660, 7667040, 8050392, 8944880, 10062990, 10733856, 11500560, 13417320, 16100784, 17889760, 20125980, 23001120, 26834640, 32201568, 40251960, 53669280, 80503920, 161007840]

約数ペア:

[(1, 161007840), (2, 80503920), (3, 53669280), (4, 40251960), (5, 32201568), (6, 26834640), (7, 23001120), (8, 20125980), (9, 17889760), (10, 16100784), (12, 13417320), (14, 11500560), (15, 10733856), (16, 10062990), (18, 8944880), (20, 8050392), (21, 7667040), (24, 6708660), (28, 5750280), (30, 5366928), (32, 5031495), (35, 4600224), (36, 4472440), (40, 4025196), (42, 3833520), (45, 3577952), (48, 3354330), (56, 2875140), (60, 2683464), (63, 2555680), (70, 2300112), (72, 2236220), (80, 2012598), (84, 1916760), (90, 1788976), (96, 1677165), (105, 1533408), (112, 1437570), (120, 1341732), (126, 1277840), (140, 1150056), (144, 1118110), (160, 1006299), (168, 958380), (180, 894488), (210, 766704), (224, 718785), (240, 670866), (252, 638920), (280, 575028), (288, 559055), (315, 511136), (336, 479190), (360, 447244), (420, 383352), (480, 335433), (504, 319460), (560, 287514), (630, 255568), (672, 239595), (720, 223622), (840, 191676), (1008, 159730), (1120, 143757), (1260, 127784), (1440, 111811), (1680, 95838), (2016, 79865), (2520, 63892), (3360, 47919), (5040, 31946), (10080, 15973)]