1891440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 6615648

約数和(自身を除く): 4724208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 71, 72, 74, 80, 90, 111, 120, 142, 144, 148, 180, 185, 213, 222, 240, 284, 296, 333, 355, 360, 370, 426, 444, 555, 568, 592, 639, 666, 710, 720, 740, 852, 888, 1065, 1110, 1136, 1278, 1332, 1420, 1480, 1665, 1704, 1776, 2130, 2220, 2556, 2627, 2664, 2840, 2960, 3195, 3330, 3408, 4260, 4440, 5112, 5254, 5328, 5680, 6390, 6660, 7881, 8520, 8880, 10224, 10508, 12780, 13135, 13320, 15762, 17040, 21016, 23643, 25560, 26270, 26640, 31524, 39405, 42032, 47286, 51120, 52540, 63048, 78810, 94572, 105080, 118215, 126096, 157620, 189144, 210160, 236430, 315240, 378288, 472860, 630480, 945720, 1891440]

約数ペア:

[(1, 1891440), (2, 945720), (3, 630480), (4, 472860), (5, 378288), (6, 315240), (8, 236430), (9, 210160), (10, 189144), (12, 157620), (15, 126096), (16, 118215), (18, 105080), (20, 94572), (24, 78810), (30, 63048), (36, 52540), (37, 51120), (40, 47286), (45, 42032), (48, 39405), (60, 31524), (71, 26640), (72, 26270), (74, 25560), (80, 23643), (90, 21016), (111, 17040), (120, 15762), (142, 13320), (144, 13135), (148, 12780), (180, 10508), (185, 10224), (213, 8880), (222, 8520), (240, 7881), (284, 6660), (296, 6390), (333, 5680), (355, 5328), (360, 5254), (370, 5112), (426, 4440), (444, 4260), (555, 3408), (568, 3330), (592, 3195), (639, 2960), (666, 2840), (710, 2664), (720, 2627), (740, 2556), (852, 2220), (888, 2130), (1065, 1776), (1110, 1704), (1136, 1665), (1278, 1480), (1332, 1420)]