2217780

素因数分解:

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

素因数の和:95

約数の個数: 90

約数和(自身を含む): 7150374

約数和(自身を除く): 4932594

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 324, 333, 370, 405, 444, 540, 555, 666, 740, 810, 999, 1110, 1332, 1369, 1620, 1665, 1998, 2220, 2738, 2997, 3330, 3996, 4107, 4995, 5476, 5994, 6660, 6845, 8214, 9990, 11988, 12321, 13690, 14985, 16428, 19980, 20535, 24642, 27380, 29970, 36963, 41070, 49284, 59940, 61605, 73926, 82140, 110889, 123210, 147852, 184815, 221778, 246420, 369630, 443556, 554445, 739260, 1108890, 2217780]

約数ペア:

[(1, 2217780), (2, 1108890), (3, 739260), (4, 554445), (5, 443556), (6, 369630), (9, 246420), (10, 221778), (12, 184815), (15, 147852), (18, 123210), (20, 110889), (27, 82140), (30, 73926), (36, 61605), (37, 59940), (45, 49284), (54, 41070), (60, 36963), (74, 29970), (81, 27380), (90, 24642), (108, 20535), (111, 19980), (135, 16428), (148, 14985), (162, 13690), (180, 12321), (185, 11988), (222, 9990), (270, 8214), (324, 6845), (333, 6660), (370, 5994), (405, 5476), (444, 4995), (540, 4107), (555, 3996), (666, 3330), (740, 2997), (810, 2738), (999, 2220), (1110, 1998), (1332, 1665), (1369, 1620)]