1018980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:75

約数の個数: 120

約数和(自身を含む): 3476088

約数和(自身を除く): 2457108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 37, 45, 51, 54, 60, 68, 74, 81, 85, 90, 102, 108, 111, 135, 148, 153, 162, 170, 180, 185, 204, 222, 255, 270, 306, 324, 333, 340, 370, 405, 444, 459, 510, 540, 555, 612, 629, 666, 740, 765, 810, 918, 999, 1020, 1110, 1258, 1332, 1377, 1530, 1620, 1665, 1836, 1887, 1998, 2220, 2295, 2516, 2754, 2997, 3060, 3145, 3330, 3774, 3996, 4590, 4995, 5508, 5661, 5994, 6290, 6660, 6885, 7548, 9180, 9435, 9990, 11322, 11988, 12580, 13770, 14985, 16983, 18870, 19980, 22644, 27540, 28305, 29970, 33966, 37740, 50949, 56610, 59940, 67932, 84915, 101898, 113220, 169830, 203796, 254745, 339660, 509490, 1018980]

約数ペア:

[(1, 1018980), (2, 509490), (3, 339660), (4, 254745), (5, 203796), (6, 169830), (9, 113220), (10, 101898), (12, 84915), (15, 67932), (17, 59940), (18, 56610), (20, 50949), (27, 37740), (30, 33966), (34, 29970), (36, 28305), (37, 27540), (45, 22644), (51, 19980), (54, 18870), (60, 16983), (68, 14985), (74, 13770), (81, 12580), (85, 11988), (90, 11322), (102, 9990), (108, 9435), (111, 9180), (135, 7548), (148, 6885), (153, 6660), (162, 6290), (170, 5994), (180, 5661), (185, 5508), (204, 4995), (222, 4590), (255, 3996), (270, 3774), (306, 3330), (324, 3145), (333, 3060), (340, 2997), (370, 2754), (405, 2516), (444, 2295), (459, 2220), (510, 1998), (540, 1887), (555, 1836), (612, 1665), (629, 1620), (666, 1530), (740, 1377), (765, 1332), (810, 1258), (918, 1110), (999, 1020)]