338926720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1614

約数の個数: 128

約数和(自身を含む): 913006080

約数和(自身を除く): 574079360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 992, 1240, 1364, 1408, 1553, 1705, 1760, 1984, 2480, 2728, 3106, 3410, 3520, 3968, 4960, 5456, 6212, 6820, 7040, 7765, 9920, 10912, 12424, 13640, 15530, 17083, 19840, 21824, 24848, 27280, 31060, 34166, 43648, 48143, 49696, 54560, 62120, 68332, 85415, 96286, 99392, 109120, 124240, 136664, 170830, 192572, 198784, 218240, 240715, 248480, 273328, 341660, 385144, 481430, 496960, 529573, 546656, 683320, 770288, 962860, 993920, 1059146, 1093312, 1366640, 1540576, 1925720, 2118292, 2186624, 2647865, 2733280, 3081152, 3851440, 4236584, 5295730, 5466560, 6162304, 7702880, 8473168, 10591460, 10933120, 15405760, 16946336, 21182920, 30811520, 33892672, 42365840, 67785344, 84731680, 169463360, 338926720]

約数ペア:

[(1, 338926720), (2, 169463360), (4, 84731680), (5, 67785344), (8, 42365840), (10, 33892672), (11, 30811520), (16, 21182920), (20, 16946336), (22, 15405760), (31, 10933120), (32, 10591460), (40, 8473168), (44, 7702880), (55, 6162304), (62, 5466560), (64, 5295730), (80, 4236584), (88, 3851440), (110, 3081152), (124, 2733280), (128, 2647865), (155, 2186624), (160, 2118292), (176, 1925720), (220, 1540576), (248, 1366640), (310, 1093312), (320, 1059146), (341, 993920), (352, 962860), (440, 770288), (496, 683320), (620, 546656), (640, 529573), (682, 496960), (704, 481430), (880, 385144), (992, 341660), (1240, 273328), (1364, 248480), (1408, 240715), (1553, 218240), (1705, 198784), (1760, 192572), (1984, 170830), (2480, 136664), (2728, 124240), (3106, 109120), (3410, 99392), (3520, 96286), (3968, 85415), (4960, 68332), (5456, 62120), (6212, 54560), (6820, 49696), (7040, 48143), (7765, 43648), (9920, 34166), (10912, 31060), (12424, 27280), (13640, 24848), (15530, 21824), (17083, 19840)]