1981859760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{88793}}^1$

素因数の和:88843

約数の個数: 120

約数和(自身を含む): 6870524544

約数和(自身を除く): 4888664784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 88793, 177586, 266379, 355172, 443965, 532758, 710344, 799137, 887930, 1065516, 1331895, 1420688, 1598274, 1775860, 2131032, 2663790, 2752583, 3196548, 3551720, 3995685, 4262064, 5327580, 5505166, 6393096, 7103440, 7991370, 8257749, 10655160, 11010332, 12786192, 13762915, 15982740, 16515498, 21310320, 22020664, 24773247, 27525830, 31965480, 33030996, 41288745, 44041328, 49546494, 55051660, 63930960, 66061992, 82577490, 99092988, 110103320, 123866235, 132123984, 165154980, 198185976, 220206640, 247732470, 330309960, 396371952, 495464940, 660619920, 990929880, 1981859760]

約数ペア:

[(1, 1981859760), (2, 990929880), (3, 660619920), (4, 495464940), (5, 396371952), (6, 330309960), (8, 247732470), (9, 220206640), (10, 198185976), (12, 165154980), (15, 132123984), (16, 123866235), (18, 110103320), (20, 99092988), (24, 82577490), (30, 66061992), (31, 63930960), (36, 55051660), (40, 49546494), (45, 44041328), (48, 41288745), (60, 33030996), (62, 31965480), (72, 27525830), (80, 24773247), (90, 22020664), (93, 21310320), (120, 16515498), (124, 15982740), (144, 13762915), (155, 12786192), (180, 11010332), (186, 10655160), (240, 8257749), (248, 7991370), (279, 7103440), (310, 6393096), (360, 5505166), (372, 5327580), (465, 4262064), (496, 3995685), (558, 3551720), (620, 3196548), (720, 2752583), (744, 2663790), (930, 2131032), (1116, 1775860), (1240, 1598274), (1395, 1420688), (1488, 1331895), (1860, 1065516), (2232, 887930), (2480, 799137), (2790, 710344), (3720, 532758), (4464, 443965), (5580, 355172), (7440, 266379), (11160, 177586), (22320, 88793)]