55279980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1$

素因数の和:696

約数の個数: 144

約数和(自身を含む): 194585664

約数和(自身を除く): 139305684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 292, 315, 365, 420, 438, 511, 601, 630, 657, 730, 876, 1022, 1095, 1202, 1260, 1314, 1460, 1533, 1803, 2044, 2190, 2404, 2555, 2628, 3005, 3066, 3285, 3606, 4207, 4380, 4599, 5110, 5409, 6010, 6132, 6570, 7212, 7665, 8414, 9015, 9198, 10220, 10818, 12020, 12621, 13140, 15330, 16828, 18030, 18396, 21035, 21636, 22995, 25242, 27045, 30660, 36060, 37863, 42070, 43873, 45990, 50484, 54090, 63105, 75726, 84140, 87746, 91980, 108180, 126210, 131619, 151452, 175492, 189315, 219365, 252420, 263238, 307111, 378630, 394857, 438730, 526476, 614222, 658095, 757260, 789714, 877460, 921333, 1228444, 1316190, 1535555, 1579428, 1842666, 1974285, 2632380, 2763999, 3071110, 3685332, 3948570, 4606665, 5527998, 6142220, 7897140, 9213330, 11055996, 13819995, 18426660, 27639990, 55279980]

約数ペア:

[(1, 55279980), (2, 27639990), (3, 18426660), (4, 13819995), (5, 11055996), (6, 9213330), (7, 7897140), (9, 6142220), (10, 5527998), (12, 4606665), (14, 3948570), (15, 3685332), (18, 3071110), (20, 2763999), (21, 2632380), (28, 1974285), (30, 1842666), (35, 1579428), (36, 1535555), (42, 1316190), (45, 1228444), (60, 921333), (63, 877460), (70, 789714), (73, 757260), (84, 658095), (90, 614222), (105, 526476), (126, 438730), (140, 394857), (146, 378630), (180, 307111), (210, 263238), (219, 252420), (252, 219365), (292, 189315), (315, 175492), (365, 151452), (420, 131619), (438, 126210), (511, 108180), (601, 91980), (630, 87746), (657, 84140), (730, 75726), (876, 63105), (1022, 54090), (1095, 50484), (1202, 45990), (1260, 43873), (1314, 42070), (1460, 37863), (1533, 36060), (1803, 30660), (2044, 27045), (2190, 25242), (2404, 22995), (2555, 21636), (2628, 21035), (3005, 18396), (3066, 18030), (3285, 16828), (3606, 15330), (4207, 13140), (4380, 12621), (4599, 12020), (5110, 10818), (5409, 10220), (6010, 9198), (6132, 9015), (6570, 8414), (7212, 7665)]