2978408080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{2039}}^1$

素因数の和:2133

約数の個数: 120

約数和(自身を含む): 7535678400

約数和(自身を除く): 4557270320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 961, 1178, 1240, 1520, 1922, 2039, 2356, 2480, 2945, 3844, 4078, 4712, 4805, 5890, 7688, 8156, 9424, 9610, 10195, 11780, 15376, 16312, 18259, 19220, 20390, 23560, 32624, 36518, 38440, 38741, 40780, 47120, 63209, 73036, 76880, 77482, 81560, 91295, 126418, 146072, 154964, 163120, 182590, 193705, 252836, 292144, 309928, 316045, 365180, 387410, 505672, 619856, 632090, 730360, 774820, 1011344, 1200971, 1264180, 1460720, 1549640, 1959479, 2401942, 2528360, 3099280, 3918958, 4803884, 5056720, 6004855, 7837916, 9607768, 9797395, 12009710, 15675832, 19215536, 19594790, 24019420, 31351664, 37230101, 39189580, 48038840, 74460202, 78379160, 96077680, 148920404, 156758320, 186150505, 297840808, 372301010, 595681616, 744602020, 1489204040, 2978408080]

約数ペア:

[(1, 2978408080), (2, 1489204040), (4, 744602020), (5, 595681616), (8, 372301010), (10, 297840808), (16, 186150505), (19, 156758320), (20, 148920404), (31, 96077680), (38, 78379160), (40, 74460202), (62, 48038840), (76, 39189580), (80, 37230101), (95, 31351664), (124, 24019420), (152, 19594790), (155, 19215536), (190, 15675832), (248, 12009710), (304, 9797395), (310, 9607768), (380, 7837916), (496, 6004855), (589, 5056720), (620, 4803884), (760, 3918958), (961, 3099280), (1178, 2528360), (1240, 2401942), (1520, 1959479), (1922, 1549640), (2039, 1460720), (2356, 1264180), (2480, 1200971), (2945, 1011344), (3844, 774820), (4078, 730360), (4712, 632090), (4805, 619856), (5890, 505672), (7688, 387410), (8156, 365180), (9424, 316045), (9610, 309928), (10195, 292144), (11780, 252836), (15376, 193705), (16312, 182590), (18259, 163120), (19220, 154964), (20390, 146072), (23560, 126418), (32624, 91295), (36518, 81560), (38440, 77482), (38741, 76880), (40780, 73036), (47120, 63209)]