51521220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 168058800

約数和(自身を除く): 116537580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 113, 149, 153, 170, 180, 204, 226, 255, 298, 306, 339, 340, 447, 452, 510, 565, 596, 612, 678, 745, 765, 894, 1017, 1020, 1130, 1341, 1356, 1490, 1530, 1695, 1788, 1921, 2034, 2235, 2260, 2533, 2682, 2980, 3060, 3390, 3842, 4068, 4470, 5066, 5085, 5364, 5763, 6705, 6780, 7599, 7684, 8940, 9605, 10132, 10170, 11526, 12665, 13410, 15198, 16837, 17289, 19210, 20340, 22797, 23052, 25330, 26820, 28815, 30396, 33674, 34578, 37995, 38420, 45594, 50511, 50660, 57630, 67348, 69156, 75990, 84185, 86445, 91188, 101022, 113985, 115260, 151533, 151980, 168370, 172890, 202044, 227970, 252555, 286229, 303066, 336740, 345780, 455940, 505110, 572458, 606132, 757665, 858687, 1010220, 1144916, 1431145, 1515330, 1717374, 2576061, 2862290, 3030660, 3434748, 4293435, 5152122, 5724580, 8586870, 10304244, 12880305, 17173740, 25760610, 51521220]

約数ペア:

[(1, 51521220), (2, 25760610), (3, 17173740), (4, 12880305), (5, 10304244), (6, 8586870), (9, 5724580), (10, 5152122), (12, 4293435), (15, 3434748), (17, 3030660), (18, 2862290), (20, 2576061), (30, 1717374), (34, 1515330), (36, 1431145), (45, 1144916), (51, 1010220), (60, 858687), (68, 757665), (85, 606132), (90, 572458), (102, 505110), (113, 455940), (149, 345780), (153, 336740), (170, 303066), (180, 286229), (204, 252555), (226, 227970), (255, 202044), (298, 172890), (306, 168370), (339, 151980), (340, 151533), (447, 115260), (452, 113985), (510, 101022), (565, 91188), (596, 86445), (612, 84185), (678, 75990), (745, 69156), (765, 67348), (894, 57630), (1017, 50660), (1020, 50511), (1130, 45594), (1341, 38420), (1356, 37995), (1490, 34578), (1530, 33674), (1695, 30396), (1788, 28815), (1921, 26820), (2034, 25330), (2235, 23052), (2260, 22797), (2533, 20340), (2682, 19210), (2980, 17289), (3060, 16837), (3390, 15198), (3842, 13410), (4068, 12665), (4470, 11526), (5066, 10170), (5085, 10132), (5364, 9605), (5763, 8940), (6705, 7684), (6780, 7599)]