161673680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 453304320

約数和(自身を除く): 291630640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 67, 70, 80, 112, 124, 134, 139, 140, 155, 217, 248, 268, 278, 280, 310, 335, 434, 469, 496, 536, 556, 560, 620, 670, 695, 868, 938, 973, 1072, 1085, 1112, 1240, 1340, 1390, 1736, 1876, 1946, 2077, 2170, 2224, 2345, 2480, 2680, 2780, 3472, 3752, 3892, 4154, 4309, 4340, 4690, 4865, 5360, 5560, 7504, 7784, 8308, 8618, 8680, 9313, 9380, 9730, 10385, 11120, 14539, 15568, 16616, 17236, 17360, 18626, 18760, 19460, 20770, 21545, 29078, 30163, 33232, 34472, 37252, 37520, 38920, 41540, 43090, 46565, 58156, 60326, 65191, 68944, 72695, 74504, 77840, 83080, 86180, 93130, 116312, 120652, 130382, 145390, 149008, 150815, 166160, 172360, 186260, 232624, 241304, 260764, 288703, 290780, 301630, 325955, 344720, 372520, 482608, 521528, 577406, 581560, 603260, 651910, 745040, 1043056, 1154812, 1163120, 1206520, 1303820, 1443515, 2020921, 2309624, 2413040, 2607640, 2887030, 4041842, 4619248, 5215280, 5774060, 8083684, 10104605, 11548120, 16167368, 20209210, 23096240, 32334736, 40418420, 80836840, 161673680]

約数ペア:

[(1, 161673680), (2, 80836840), (4, 40418420), (5, 32334736), (7, 23096240), (8, 20209210), (10, 16167368), (14, 11548120), (16, 10104605), (20, 8083684), (28, 5774060), (31, 5215280), (35, 4619248), (40, 4041842), (56, 2887030), (62, 2607640), (67, 2413040), (70, 2309624), (80, 2020921), (112, 1443515), (124, 1303820), (134, 1206520), (139, 1163120), (140, 1154812), (155, 1043056), (217, 745040), (248, 651910), (268, 603260), (278, 581560), (280, 577406), (310, 521528), (335, 482608), (434, 372520), (469, 344720), (496, 325955), (536, 301630), (556, 290780), (560, 288703), (620, 260764), (670, 241304), (695, 232624), (868, 186260), (938, 172360), (973, 166160), (1072, 150815), (1085, 149008), (1112, 145390), (1240, 130382), (1340, 120652), (1390, 116312), (1736, 93130), (1876, 86180), (1946, 83080), (2077, 77840), (2170, 74504), (2224, 72695), (2345, 68944), (2480, 65191), (2680, 60326), (2780, 58156), (3472, 46565), (3752, 43090), (3892, 41540), (4154, 38920), (4309, 37520), (4340, 37252), (4690, 34472), (4865, 33232), (5360, 30163), (5560, 29078), (7504, 21545), (7784, 20770), (8308, 19460), (8618, 18760), (8680, 18626), (9313, 17360), (9380, 17236), (9730, 16616), (10385, 15568), (11120, 14539)]