69691720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 193575420

約数和(自身を除く): 123883700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 49, 56, 62, 70, 74, 98, 124, 140, 148, 155, 185, 196, 217, 245, 248, 259, 280, 296, 310, 370, 392, 434, 490, 518, 620, 740, 868, 961, 980, 1036, 1085, 1147, 1240, 1295, 1480, 1519, 1736, 1813, 1922, 1960, 2072, 2170, 2294, 2590, 3038, 3626, 3844, 4340, 4588, 4805, 5180, 5735, 6076, 6727, 7252, 7595, 7688, 8029, 8680, 9065, 9176, 9610, 10360, 11470, 12152, 13454, 14504, 15190, 16058, 18130, 19220, 22940, 26908, 30380, 32116, 33635, 35557, 36260, 38440, 40145, 45880, 47089, 53816, 56203, 60760, 64232, 67270, 71114, 72520, 80290, 94178, 112406, 134540, 142228, 160580, 177785, 188356, 224812, 235445, 248899, 269080, 281015, 284456, 321160, 355570, 376712, 449624, 470890, 497798, 562030, 711140, 941780, 995596, 1124060, 1244495, 1422280, 1742293, 1883560, 1991192, 2248120, 2488990, 3484586, 4977980, 6969172, 8711465, 9955960, 13938344, 17422930, 34845860, 69691720]

約数ペア:

[(1, 69691720), (2, 34845860), (4, 17422930), (5, 13938344), (7, 9955960), (8, 8711465), (10, 6969172), (14, 4977980), (20, 3484586), (28, 2488990), (31, 2248120), (35, 1991192), (37, 1883560), (40, 1742293), (49, 1422280), (56, 1244495), (62, 1124060), (70, 995596), (74, 941780), (98, 711140), (124, 562030), (140, 497798), (148, 470890), (155, 449624), (185, 376712), (196, 355570), (217, 321160), (245, 284456), (248, 281015), (259, 269080), (280, 248899), (296, 235445), (310, 224812), (370, 188356), (392, 177785), (434, 160580), (490, 142228), (518, 134540), (620, 112406), (740, 94178), (868, 80290), (961, 72520), (980, 71114), (1036, 67270), (1085, 64232), (1147, 60760), (1240, 56203), (1295, 53816), (1480, 47089), (1519, 45880), (1736, 40145), (1813, 38440), (1922, 36260), (1960, 35557), (2072, 33635), (2170, 32116), (2294, 30380), (2590, 26908), (3038, 22940), (3626, 19220), (3844, 18130), (4340, 16058), (4588, 15190), (4805, 14504), (5180, 13454), (5735, 12152), (6076, 11470), (6727, 10360), (7252, 9610), (7595, 9176), (7688, 9065), (8029, 8680)]