2157127980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:373

約数の個数: 288

約数和(自身を含む): 7313918976

約数和(自身を除く): 5156790996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 49, 60, 67, 70, 84, 94, 98, 105, 134, 140, 141, 147, 188, 196, 201, 210, 233, 235, 245, 268, 282, 294, 329, 335, 402, 420, 466, 469, 470, 490, 564, 588, 658, 670, 699, 705, 735, 804, 932, 938, 940, 980, 987, 1005, 1165, 1316, 1340, 1398, 1407, 1410, 1470, 1631, 1645, 1876, 1974, 2010, 2303, 2330, 2345, 2796, 2814, 2820, 2940, 3149, 3262, 3283, 3290, 3495, 3948, 4020, 4606, 4660, 4690, 4893, 4935, 5628, 6298, 6524, 6566, 6580, 6909, 6990, 7035, 8155, 9212, 9380, 9447, 9786, 9849, 9870, 10951, 11417, 11515, 12596, 13132, 13818, 13980, 14070, 15611, 15745, 16310, 16415, 18894, 19572, 19698, 19740, 21902, 22043, 22834, 23030, 24465, 27636, 28140, 31222, 31490, 32620, 32830, 32853, 34251, 34545, 37788, 39396, 43804, 44086, 45668, 46060, 46833, 47235, 48930, 49245, 54755, 57085, 62444, 62980, 65660, 65706, 66129, 68502, 69090, 76657, 78055, 88172, 93666, 94470, 97860, 98490, 109277, 109510, 110215, 114170, 131412, 132258, 137004, 138180, 153314, 154301, 156110, 164265, 171255, 187332, 188940, 196980, 218554, 219020, 220430, 228340, 229971, 234165, 264516, 306628, 308602, 312220, 327831, 328530, 330645, 342510, 383285, 437108, 440860, 459942, 462903, 468330, 536599, 546385, 617204, 655662, 657060, 661290, 685020, 733717, 764939, 766570, 771505, 919884, 925806, 936660, 1073198, 1092770, 1149855, 1311324, 1322580, 1467434, 1529878, 1533140, 1543010, 1609797, 1639155, 1851612, 2146396, 2185540, 2201151, 2294817, 2299710, 2314515, 2682995, 2934868, 3059756, 3086020, 3219594, 3278310, 3668585, 3824695, 4402302, 4589634, 4599420, 4629030, 5136019, 5365990, 6439188, 6556620, 7337170, 7649390, 8048985, 8804604, 9179268, 9258060, 10272038, 10731980, 11005755, 11474085, 14674340, 15298780, 15408057, 16097970, 20544076, 22011510, 22948170, 25680095, 30816114, 32195940, 35952133, 44023020, 45896340, 51360190, 61632228, 71904266, 77040285, 102720380, 107856399, 143808532, 154080570, 179760665, 215712798, 308161140, 359521330, 431425596, 539281995, 719042660, 1078563990, 2157127980]

約数ペア:

[(1, 2157127980), (2, 1078563990), (3, 719042660), (4, 539281995), (5, 431425596), (6, 359521330), (7, 308161140), (10, 215712798), (12, 179760665), (14, 154080570), (15, 143808532), (20, 107856399), (21, 102720380), (28, 77040285), (30, 71904266), (35, 61632228), (42, 51360190), (47, 45896340), (49, 44023020), (60, 35952133), (67, 32195940), (70, 30816114), (84, 25680095), (94, 22948170), (98, 22011510), (105, 20544076), (134, 16097970), (140, 15408057), (141, 15298780), (147, 14674340), (188, 11474085), (196, 11005755), (201, 10731980), (210, 10272038), (233, 9258060), (235, 9179268), (245, 8804604), (268, 8048985), (282, 7649390), (294, 7337170), (329, 6556620), (335, 6439188), (402, 5365990), (420, 5136019), (466, 4629030), (469, 4599420), (470, 4589634), (490, 4402302), (564, 3824695), (588, 3668585), (658, 3278310), (670, 3219594), (699, 3086020), (705, 3059756), (735, 2934868), (804, 2682995), (932, 2314515), (938, 2299710), (940, 2294817), (980, 2201151), (987, 2185540), (1005, 2146396), (1165, 1851612), (1316, 1639155), (1340, 1609797), (1398, 1543010), (1407, 1533140), (1410, 1529878), (1470, 1467434), (1631, 1322580), (1645, 1311324), (1876, 1149855), (1974, 1092770), (2010, 1073198), (2303, 936660), (2330, 925806), (2345, 919884), (2796, 771505), (2814, 766570), (2820, 764939), (2940, 733717), (3149, 685020), (3262, 661290), (3283, 657060), (3290, 655662), (3495, 617204), (3948, 546385), (4020, 536599), (4606, 468330), (4660, 462903), (4690, 459942), (4893, 440860), (4935, 437108), (5628, 383285), (6298, 342510), (6524, 330645), (6566, 328530), (6580, 327831), (6909, 312220), (6990, 308602), (7035, 306628), (8155, 264516), (9212, 234165), (9380, 229971), (9447, 228340), (9786, 220430), (9849, 219020), (9870, 218554), (10951, 196980), (11417, 188940), (11515, 187332), (12596, 171255), (13132, 164265), (13818, 156110), (13980, 154301), (14070, 153314), (15611, 138180), (15745, 137004), (16310, 132258), (16415, 131412), (18894, 114170), (19572, 110215), (19698, 109510), (19740, 109277), (21902, 98490), (22043, 97860), (22834, 94470), (23030, 93666), (24465, 88172), (27636, 78055), (28140, 76657), (31222, 69090), (31490, 68502), (32620, 66129), (32830, 65706), (32853, 65660), (34251, 62980), (34545, 62444), (37788, 57085), (39396, 54755), (43804, 49245), (44086, 48930), (45668, 47235), (46060, 46833)]