61978770

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 160

約数和(自身を含む): 201979008

約数和(自身を除く): 140000238

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 51, 54, 63, 70, 81, 85, 90, 102, 105, 119, 126, 135, 153, 162, 170, 189, 210, 238, 255, 270, 306, 315, 357, 378, 405, 459, 510, 567, 595, 630, 643, 714, 765, 810, 918, 945, 1071, 1134, 1190, 1286, 1377, 1530, 1785, 1890, 1929, 2142, 2295, 2754, 2835, 3213, 3215, 3570, 3858, 4501, 4590, 5355, 5670, 5787, 6426, 6430, 6885, 9002, 9639, 9645, 10710, 10931, 11574, 13503, 13770, 16065, 17361, 19278, 19290, 21862, 22505, 27006, 28935, 32130, 32793, 34722, 40509, 45010, 48195, 52083, 54655, 57870, 65586, 67515, 76517, 81018, 86805, 96390, 98379, 104166, 109310, 121527, 135030, 153034, 163965, 173610, 196758, 202545, 229551, 243054, 260415, 295137, 327930, 364581, 382585, 405090, 459102, 491895, 520830, 590274, 607635, 688653, 729162, 765170, 885411, 983790, 1147755, 1215270, 1377306, 1475685, 1770822, 1822905, 2065959, 2295510, 2951370, 3443265, 3645810, 4131918, 4427055, 6197877, 6886530, 8854110, 10329795, 12395754, 20659590, 30989385, 61978770]

約数ペア:

[(1, 61978770), (2, 30989385), (3, 20659590), (5, 12395754), (6, 10329795), (7, 8854110), (9, 6886530), (10, 6197877), (14, 4427055), (15, 4131918), (17, 3645810), (18, 3443265), (21, 2951370), (27, 2295510), (30, 2065959), (34, 1822905), (35, 1770822), (42, 1475685), (45, 1377306), (51, 1215270), (54, 1147755), (63, 983790), (70, 885411), (81, 765170), (85, 729162), (90, 688653), (102, 607635), (105, 590274), (119, 520830), (126, 491895), (135, 459102), (153, 405090), (162, 382585), (170, 364581), (189, 327930), (210, 295137), (238, 260415), (255, 243054), (270, 229551), (306, 202545), (315, 196758), (357, 173610), (378, 163965), (405, 153034), (459, 135030), (510, 121527), (567, 109310), (595, 104166), (630, 98379), (643, 96390), (714, 86805), (765, 81018), (810, 76517), (918, 67515), (945, 65586), (1071, 57870), (1134, 54655), (1190, 52083), (1286, 48195), (1377, 45010), (1530, 40509), (1785, 34722), (1890, 32793), (1929, 32130), (2142, 28935), (2295, 27006), (2754, 22505), (2835, 21862), (3213, 19290), (3215, 19278), (3570, 17361), (3858, 16065), (4501, 13770), (4590, 13503), (5355, 11574), (5670, 10931), (5787, 10710), (6426, 9645), (6430, 9639), (6885, 9002)]