80503920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{15973}}^1$

素因数の和:15999

約数の個数: 120

約数和(自身を含む): 309001056

約数和(自身を除く): 228497136

約数列:

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

約数ペア:

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