51251940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1899

約数の個数: 120

約数和(自身を含む): 170328312

約数和(自身を除く): 119076372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 612, 765, 810, 918, 1020, 1377, 1530, 1620, 1836, 1861, 2295, 2754, 3060, 3722, 4590, 5508, 5583, 6885, 7444, 9180, 9305, 11166, 13770, 16749, 18610, 22332, 27540, 27915, 31637, 33498, 37220, 50247, 55830, 63274, 66996, 83745, 94911, 100494, 111660, 126548, 150741, 158185, 167490, 189822, 200988, 251235, 284733, 301482, 316370, 334980, 379644, 474555, 502470, 569466, 602964, 632740, 753705, 854199, 949110, 1004940, 1138932, 1423665, 1507410, 1708398, 1898220, 2562597, 2847330, 3014820, 3416796, 4270995, 5125194, 5694660, 8541990, 10250388, 12812985, 17083980, 25625970, 51251940]

約数ペア:

[(1, 51251940), (2, 25625970), (3, 17083980), (4, 12812985), (5, 10250388), (6, 8541990), (9, 5694660), (10, 5125194), (12, 4270995), (15, 3416796), (17, 3014820), (18, 2847330), (20, 2562597), (27, 1898220), (30, 1708398), (34, 1507410), (36, 1423665), (45, 1138932), (51, 1004940), (54, 949110), (60, 854199), (68, 753705), (81, 632740), (85, 602964), (90, 569466), (102, 502470), (108, 474555), (135, 379644), (153, 334980), (162, 316370), (170, 301482), (180, 284733), (204, 251235), (255, 200988), (270, 189822), (306, 167490), (324, 158185), (340, 150741), (405, 126548), (459, 111660), (510, 100494), (540, 94911), (612, 83745), (765, 66996), (810, 63274), (918, 55830), (1020, 50247), (1377, 37220), (1530, 33498), (1620, 31637), (1836, 27915), (1861, 27540), (2295, 22332), (2754, 18610), (3060, 16749), (3722, 13770), (4590, 11166), (5508, 9305), (5583, 9180), (6885, 7444)]