1400355720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{54787}}^1$

素因数の和:54875

約数の個数: 96

約数和(自身を含む): 4615341120

約数和(自身を除く): 3214985400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 4260, 5112, 6390, 8520, 12780, 25560, 54787, 109574, 164361, 219148, 273935, 328722, 438296, 493083, 547870, 657444, 821805, 986166, 1095740, 1314888, 1643610, 1972332, 2191480, 2465415, 3287220, 3889877, 3944664, 4930830, 6574440, 7779754, 9861660, 11669631, 15559508, 19449385, 19723320, 23339262, 31119016, 35008893, 38898770, 46678524, 58348155, 70017786, 77797540, 93357048, 116696310, 140035572, 155595080, 175044465, 233392620, 280071144, 350088930, 466785240, 700177860, 1400355720]

約数ペア:

[(1, 1400355720), (2, 700177860), (3, 466785240), (4, 350088930), (5, 280071144), (6, 233392620), (8, 175044465), (9, 155595080), (10, 140035572), (12, 116696310), (15, 93357048), (18, 77797540), (20, 70017786), (24, 58348155), (30, 46678524), (36, 38898770), (40, 35008893), (45, 31119016), (60, 23339262), (71, 19723320), (72, 19449385), (90, 15559508), (120, 11669631), (142, 9861660), (180, 7779754), (213, 6574440), (284, 4930830), (355, 3944664), (360, 3889877), (426, 3287220), (568, 2465415), (639, 2191480), (710, 1972332), (852, 1643610), (1065, 1314888), (1278, 1095740), (1420, 986166), (1704, 821805), (2130, 657444), (2556, 547870), (2840, 493083), (3195, 438296), (4260, 328722), (5112, 273935), (6390, 219148), (8520, 164361), (12780, 109574), (25560, 54787)]